9861 g, and empty the vial weighs 5. Synthesis of Salicylic Acid from Wintergreen Oil. The color is due to a complex between the hydroxamic acid and the ferric ion. ISBN 0138419175 9780138419172. Esters often have a fruity taste or odor. Identification of a Petroleum Hydrocarbon; 9. save hide report. web; books; video; audio; software; images; Toggle navigation. “Catalyst: The Pearson Custom Library for Chemistry”. It is a component of marsh gas and of natural gas and, in a mixture with air containing from 5 to 15 percent methane, it is. Weight of product. Synthesis of Salicylic Acid from Wintergreen Oil 5. Use of lab reports from other students (past or present) or other improper. This document will answer the following questions: 1. What gas escaped during the sodium bicarbonate washing? Write balanced equations for two reactions that took place during this operation. 2. Describe and explain how each of the following experimental errors. Fenaroli's Handbook of Flavor Ingredients. 4) on the hot plate set to 2. A Green Synthesis of Camphor. Purpose The purpose of this experiment is to synthesize isopentyl acetate (3-methylbutyl acetate) via an esterification reaction between acetic acid and isopentyl alcohol (3 -methylbutanol),. Firebombs by The Jolly Roger Most fire bombs are simply gasoline filled bottles with a fuel soaked rag in the mouth (the bottle's mouth, not yours). Master the techniques common to the laboratory repertoire of the organic chemist. Start your IIT- JEE preparation today. MSA Safety Products Catalog, general safety equipment distributed by Mallory. The Cold Spring Harbor Laboratory course in synthetic biology, for example, includes modules that utilize cell-free systems. Chapter Text CHAPTER TWO. Calculate the amount of isopentyl acetate that should be present in the reaction mixture at equilibrium based on 300 mmol of acetic acid and 150 mmol of isopentyl alcohol as starting quantities. No parts of a banana is used to make banana oil, which is a synthetic compound made with amyl alcohol, is named for its banana-like aroma. Pre-laboratory questions 1. Jones: Reactions of Esters: Addition - Elimination, Chapter 19. Lab Report 1 Sun. Reference: SDS- fishersci. Measure the amount of organic acid required for your preparation, as noted in Table 2. 2 Key Laboratory of Physiological and Storage of Postharvest Agricultural Products of Agriculture Ministry, National Engineering Technology Research Center for Preservation of Agricultural Products, Tianjin 300384, China. A Green Synthesis of Camphor. Preparation of Camphor. Simple Distillation, Gas Chromatography. Emil Fischer (1852-1919) was a German scientist who received his Ph. Purpose Synthesis Isopentyl Acetate (banana oil) from Isopentyl Alcohol, Acetic Acid, Sulfuric Acid, and Heat With purity of which will give us highest yield and purity of product About 12% eqv. Fractional Distillation. prone to elimination. Lab 3 - Extraction Objective In this experiment, you will separate the components of a commercial headache powder via an extractive process. web; books; video; audio; software; images; Toggle navigation. Lab 5: Preparation of Synthetic Banana Oil September 20th, 2012 Purpose: The main purpose of this experiment was to synthesize banana oil (isopentyl acetate. Answers Experiment 5: Preparation of Synthetic Banana Oil Postlab Assignment. Judy dug frantically through the files on her desk until she came across the report she was looking for. asked by Jazzmine on February 27, 2013; Science. Synthesis of benzhydrol. Mini Lab 25 : Oxidation of Alcohols by KMnO 4. This result is in contrast to a previous report on the Barhee cv. 4 - Heating Under Reflux. 0820 g/ml, MW 102. NITROMUSKS. To request permission to use any portion of this work, please email the request to [email protected] Other activities to help include hangman, crossword, word scramble, games, matching, quizes, and tests. As one door closed, another opened. Isolation and Isomerization of Lycopene from Tomato Paste. Shelton Introduction: In the Caribbean, banana plantations were often utilized as a source that provided natural banana extract, a vital ingredient in the Banana Elixir, Cavendish Distilling Company's marketable liqueur. September 30, 2012 Experiment 5, Preparation of Synthetic Banana Oil Introduction: This experiment prepares synthetic banana oil (isopentyl acetate) through the Fisher esterification method by combining isopentyl alcohol with acetic and sulfuric acid then heating the mixture under reflux for an hour. 4 During enfleurage, flowers are spread on glass sheets coated with grease. Identifying a Constituent of "Panacetin"4. Probably we cannot find any modern perfume which would be made without any musks. Descriptive Title with 10-20 words. edu is a platform for academics to share research papers. Fractional Distillation. Identification of a Petroleum Hydrocarbon. Do BY B assignments 1, 2 , and 3. Amyl acetate, more often called banana oil, is used as a flavouring agent. PubMed:BioBuilding using banana-scented bacteria to teach synthetic biology. Preparation of Synthetic Banana Oil. Octyl acetate, prepared using octanol as the alcohol, will remind you of oranges. Isoamyl acetate occurs naturally in several fruits and plants. Preparation of Synthetic Banana Oil-Simple Distillation and Gas Chromatography Keidra Douglas CHE 2200L - 126149 Ms. ; Heat the flask gently on the steam bath for at least 10 minutes. Lecture Room 8:30 am Week 3 of Lecture 45 Lab Present/Practicum Sun. An unknown compount X is one of the three compounds listed below. It can be irritating to skin, and its inhalation in high concentrations can cause irritations of mucous membranes, headache, and chest pain. Identification of a Petroleum. Experiment 2. Both liquids were combined and remained clear until the addition of concentrated sulfuric acid. Synthesis And Physical Characterization Of Artificial. Answers Experiment 5: Preparation of Synthetic Banana Oil Postlab Assignment. June 29, 2006 CODE OF FEDERAL REGULATIONS 40 Parts 100 to 135 Revised as of July 1, 2006 Protection of Environment Containing a codification of documents of general applicability and future effect As of July 1, 2006 With Ancillaries. Isolation and Isomerization of Lycopene from Tomato Paste; 10. Elizabeth Ping | November 29, 2011| 1 Isopentyl Acetate (Banana Oil) Introduction: The purpose of this experiment was to prepare the ester that smells like bananas, isopentyl acetate by using the techniques of reflux, extraction, drying, and distillation. from the ionic liquid medium 18 or 19 and then the ionic liquids 18 or 19 were again applied for next runs. Aldehyde C17 is a chemical used to flavor cherry ice cream but is used as a inflammable liquid used in aniline dyes, plastic and rubber. 1,754,454 views. edu is a platform for academics to share research papers. The Organic Chem Lab Survival Manual, 5th edition, Wiley & Sons, Inc. One of the significant things aboutt glycerin is the scientific background which history has contributed to its properties and reactions - extending over far more years and into remote corners of research and technology than any comparable newly synthesized organic. Preparation of Synthetic Banana Oil July 16 Experiment 5 Read Simple Distillation, Gas Chromatography: Preparation of SwntliStic Banana Oil on pp. Heating under Reflux. Preparation of Synthetic Banana Oil; 6. This separation will be accomplished by taking advantage of the fact that each component contains different functional groups which will react differently when treated with a specific reagent. A mixture of X with benzoic acid melts at 89°C, a mixture of X with phenyl succinate melts at 120°C, and a mixture of X with m-aminophenol melts at 102°C. Synthesis and Physical Characterization of Artificial Carbonate Rocks Authors Raquel Machado In this study, we manufactured synthetic samples of carbonate rocks by mixing a fixed quantity of calcite and sand changing the quantity of cementing material (commercial cement and water). 00×10-5M, respectively and is to be place on the spectrophotometer with the unknown and distilled water for the determination of each concentration's absorbance. The synthesis was completed by a reversible esterification reaction which required the heating of glacial acetic acid and isoamyl alcohol, combined with a sulfuric acid catalyst in. Separation of Petroleum Hydrocarbons. Lehman for up to 90% off at Textbooks. I chose nail polish remover because it is almost part of my everyday life. The first word in the name comes from the alkyl group of the alcohol, and the second word is the name of the acid with its -ic. Isolation and Isomerization of Lycopene from Tomato Paste 10. 2749 Scheme 3: Synthetic route of 1,3-disulfoimidazolium carboxylate ILs and their catalytic applications in the synthesis of 14H-dibenzo[a,j]xanthene de- rivatives and 1,8-dioxodecahydroacridine derivatives. Teaching Assistant Office Hours 13, 14 Exp 5 Preparation of Synthetic Banana Oil Pre-Lab 5 15, [Filename: OrgChemLabSyl_S3543DQ. Lab # 5: Preparation of Synthetic Banana Oil CONTENT Category Points Explanation 0 Several sections of the lab report are missingOrganic Chemistry I Laboratory Simple Distillation, Gas Chromatography, NMR & Infra-Red Spectroscopy: Experiment 4 Preparation of Synthetic Banana Oil1 Week 4Simple, Gas. 17 PEER REVIEWED Burdock, G. Do NOT use pencil or white-out! Pre-lab Preparation of the pre-lab prior to carrying out the experiment helps to familiarize you with the objectives of the experiment and any hazards associated with that lab. Abstract: A practical synthesis of 2′-O-methyl-modified L-arabinofuranosyluracil from L-ribose was accomplished in 5 steps. Synthesis, Isolation, and Purification of an Ester AP Chemistry Laboratory Introduction An ester is a chemical compound that is formed when an organic acid reacts with an alcohol. Question: Calculate The Theoretical Yield Of Isopentyl Acetate That Canbe Made From 20. A Green Synthesis of Camphor. ( post lab question for the Banana oil lab) asked by chelsea on July 9, 2013; chem 221 #3. Modifications for Preparation of Synthetic Banana Oil and Related Esters. 5 - Preparation of Synthetic Banana Oil. A Green Synthesis of Camphor. USE: Isoamyl acetate is used as a pear flavor in water and syrups. Case Study # 3 - Surfactants, soaps and detergents 5 Switchable surfactants give on-demand emulsions Oil and water can now be mixed or separated simply by bubbling carbon dioxide or air through the blend, thanks to a molecule developed by Canadian chemists. Lab 5: Preparation of Synthetic Banana Oil September 20th, 2012 Purpose: The main purpose of this experiment was to synthesize banana oil (isopentyl acetate. reprinted september, 1914. Preparation of Synthetic Banana Oil. Preparation of Synthetic Banana Oil Introduction: In this lab the synthesis, purification, and characterization of isoamyl acetate, or banana oil, was determined. Oil of Wintergreen: Synthesis and NMR Analysis O Introduction: When salicylic acid reacts with methanol in the presence of an acid catalyst, methyl salicylate, or oil of wintergreen, is produced according to the following equation: C OH OH + CH 3 OH H+ C OCH 3 O OH + H 2 O salicylic acid methanol methyl salicylate. Identification of a Petroleum. Experiment 2. As one door closed, another opened. Like Fischer esterification, this reaction is catalyzed by acid, but unlike Fischer esterification, it is very fast and irreversible. What is the purpose of washing with 25 mL of water? 3. C7H6O3 + C4H6O3→ C9H8O4 + C2H4O2 Salicylic acid Acetic anhydride Acetylsalicylic acidAcetic acid. Shelton Introduction: In the Caribbean, banana plantations were often utilized as a source that provided natural banana extract, a vital ingredient in the Banana Elixir, Cavendish Distilling Company’s marketable liqueur. reprinted september, 1915. In ice cream, it's used as a cheap substitute for eggs to thicken the product. A very important phase of synthetic organic chemistry is the separation and. 1 g of isopentyl acetate, also known as banana oil and water as a by product. During the separation process, we kept the hot plate at 180oC, as listed in the lab manual. This thread is archived. PubMed:Interactions between artificial saliva and 20 aroma compounds in water and oil model systems. Boiling Point, Refractive Index. 045mol of isopentyl alcohol Because of 1 to 1 mole ratio of isopentyl alcohol and isopentyl acetate, the reaction should produce 0. Synthesis of Salicylic Acid from Wintergreen Oil. The color is due to a complex between the hydroxamic acid and the ferric ion. Emil Fischer (1852-1919) was a German scientist who received his Ph. : London : Allyn & Bacon, 1988. Separation of Petroleum Hydrocarbons. Allegro® Deluxe Banana Oil Fit Check Kit provides a fast, safe and easy method to perform qualitative respirator fit checking. Boiling Point, Refractive Index. Master the techniques common to the laboratory repertoire of the organic chemist. Safety goggles and a lab coat will be provided. , a leading global provider of molecular diagnostics and sample preparation technologies. At the end of each lab, a TA will scan the lab notes and upload them to the Lab Documents section of the EG1003 Website. The CHEM 221 laboratories are located in SP-116. Mar 28 5 Preparation of Synthetic Banana Oil. These esters can also be found in non-fruit sources such as peppermint and green tea. It is soluble in water. Buy Operational Organic Chemistry : A Problem-Solving Approach to the Laboratory Course 3rd edition (9780138419172) by John W. Synthesis And Physical Characterization Of Artificial. reprinted september, 1915. Addition, Sublimation. Vorbr?ggen glycosylation was employed for the preparation of L-arabinofuranosyluracil 7 and 8, which are key intermediates for the preparation of the nucleoside derivatives. Operational Organic Chemistry by John W. Contrary to the general understanding, the relative percentages of oil and water do not dictate the type of emulsion formed, i. Synthetic lubricants can be manufactured using chemically modified petroleum components rather than whole crude oil, but can also be synthesized from other raw materials. Writing a Laboratory Report. What is the purpose of washing the organic layer with 5% aqueous sodium bicarbonate? Remember, you used an excess of glacial acetic acid. Lehman (ISBN 978--13-841917-2) | Alles versandkostenfrei bestellen - lehmanns. 14th, you will have a lab EVERY. 0g) + Isopentyl Alcohol (0. 0 ml of 3 – methyl 1-butanol (isoamyl alcohol, density 0. Must present at time of service. Ferric Chloride test for Phenols. 02x - Lect 16 - Electromagnetic Induction, Faraday's Law, Lenz Law, SUPER DEMO - Duration: 51:24. Isoamyl acetate occurs naturally in several fruits and plants. In this experiment, we will create the ester isopentyl acetate (banana oil) via the Fischer esterification reaction. Isolation and Identification of the Major Constituent of Clove Oil. a aargh abandon abandoned abbey aberdeen abilities ability able abnormal aboard abolished abolition abortion about above abroad abruptly absence absent absolute absolutely absorb absorbed absorption abstract absurd abuse abused ac academic academics academy accelerated acceleration accent accents accept acceptable acceptance accepted accepting. Preparation of Triphenylpyridine. Purpose: To find if synthetic banana oil made by Fisher Esterification reaction leaves more than 2% acetic acid at equilibrium. Beilstein/REAXYS Number 1744750. Isolation and Identification of the Major Constituent of Clove Oil; 11. Week 2 n/a Lab Room/Online By 6:00 pm Lab. Synthesis of Salicylic Acid from Wintergreen Oil. APPENDIXES. HTML PDF: 296-155-55820: Synthetic webbing slings. Synthesis of banana oil. A Green Synthesis of Camphor. Thus, there is a growing demand to develop environmentally friendly and sustainable methods for the synthesis of nanoparticles that utilize nontoxic chemicals, environmentally benign solvents, and renewable materials to avoid their adverse effects. Java program using English language dictionary as word source. Proposed Synthesis Show the structure of your target molecule as well as synthetic schemes illustrating the two steps required for preparing it from "allowed" starting materials. 2h fixation). Synthesis of Salicylic Acid from Wintergreen Oil. # Operational organic chemistry : a. , 2015; Vie et al. Isolation and Identification of the Major Constituent of Clove Oil. 74 CH105 Lab 17: Synthesis of Banana Oil (F15) The name of an ester indicates the acid and the alcohol that combined to form it. Preparation of Synthetic Banana Oil; 6. The synthesis was completed by a reversible esterification reaction which required the heating of glacial acetic acid and isoamyl alcohol, combined with a sulfuric acid catalyst in. Synthesis of Salicylic Acid from Wintergreen Oil 40 ; 5 Simple Distillation and Gas Chromatography. JANUARY Adventures of Red Ryder, Life Begins at 40, Riverboat Round the Bend, Premonition, The Queen, The Master Key, The Adventures of Young Indiana Jones: Passion for Life, The Return of Dracula, Doubting Thomas, 3:10 to Yuma (2007), Adventures of Young Indiana Jones: The Perils of Cupid, Adventures of Young Indiana Jones: Travels With Father, Sweeney Todd, the Demon Barber of Fleet Street. Separation of Petroleum Hydrocarbons. announces acquisition of QIAGEN N. Experiment 2. Introduction In the banana oil lab we began with isopentyl alcohol + acetic acid isopentyl acetate + Water. Appendix E-1-a—Isoamyl acetate (banana oil) protocol. Unknown # Introduction (give a brief statement about what a simple distillation is and is used for and how it works. Jones: Reactions of Esters: Addition - Elimination, Chapter 19. Lab 6: Preparation of Synthetic Banana Oil Ethan Gorman, Kyle; 8/5/16 Abstract This experiment is designed to illustrate the concept and mechanism of a Fischer Esterification. The Lewis or Brønstedt acid-catalyzed esterification of carboxylic acids with alcohols to give esters is a typical reaction in which the products and reactants are in equilibrium. Start studying Exp. 2/ What gas escaped during the sodium bicarbonate washing?. A few more esters. The entire procedure is broken into four main parts so that the product. ( post lab question for the Banana oil lab) asked by chelsea on July 9, 2013; chem 221 #3. preparation of synthetic banana oil. 2 Remove 2‐3 roots from the fixative with forceps. A Green Synthesis of Camphor. The experiment, as written, gives no indication of how much diene to expect from the essential oil. This banner text can have markup. 8) Separation scheme for isolation of pure isopentyl acetate from the reaction mixture:. 00×10-5M, respectively and is to be place on the spectrophotometer with the unknown and distilled water for the determination of each concentration's absorbance. See more ideas about Bones funny, Keep it cleaner, Infographic marketing. [2019/07/05] Synthetic Challenge #92. Lab Report Rubric/Cover Sheet Date: _____ (of submission) Please print out a copy of this form, fill in the general information above, and staple the form to the FRONT of your lab report* Lab # 5: Preparation of Synthetic Banana Oil CONTENT Category Points Explanation 0 Several sections of the lab report are missing. Beilstein/REAXYS Number 1744750. LEARNING OBJECTIVES This experiment is intended to illustrate the following concepts and techniques: • Heating under reflux • Theory, technique, and use of simple distillation. , 2001); 2) hyperforin from St. Lab 3 - Extraction Objective In this experiment, you will separate the components of a commercial headache powder via an extractive process. Below is a broad outline of pandemic planning for healthcare facilities based on stages of the Homeland Security Council National Strategy for Pandemic Influenza Implementation Plan and the HHS Pandemic Influenza Planrecommenda. Synthesis of Salicylic Acid from Wintergreen Oil 5. Separation of Petroleum Hydrocarbons. 5 mL of sulfuric acid with swirling to mix the solution. Firebombs by The Jolly Roger Most fire bombs are simply gasoline filled bottles with a fuel soaked rag in the mouth (the bottle's mouth, not yours). Assimilating green chemistry principles in nanotechnology is a developing area of nanoscience research nowadays. A Small Scale Approach to Organic Laboratory Techniques 4th edition by Pavia Kriz Lampman and Engel solution manual 1305253922 9781305253926. A Green Synthesis of Camphor 8. Beilstein/REAXYS Number 1744750. Measure the amount of organic acid required for your preparation, as noted in Table 2. Synthetic oil is used as a substitute for lubricant refined from petroleum when operating in extremes of temperature. Shelton Introduction: In the Caribbean, banana plantations were often utilized as a source that provided natural banana extract, a vital ingredient in the Banana Elixir, Cavendish Distilling Company’s marketable liqueur. of 10W-30 Conventional Oil Expert lube 27 pt. Observations and Data: When the sulfuric acid was combined with the. Pre-laboratory questions 1. The usefulness of functional groups will be illustrated as well as the use of NMR, IR, and melting point in characterizing a product. amyl acetate (banana oil, pear oil) A fruity flavoring agent and cosmetic scent used by the food and cosmetic industries. There are diverse carbon sources of bioplastic production such as waste cooking oil, which contains plant, animal, or synthetic fat from frying, baking, or other types of cooking. Laboratory Equipment. Need to find limiting reagent, theoretical yield, and percent yield from equation? Acetic Acid (2. reprinted january, 1915. Experiment 45. Organic Chemistry Lab 318 Spring, 2012 DUE DATES Today Aldehyde/Ketone Qualitative Analysis Report at beginning of lab At end of lab -- copy of laboratory notebook pages for today's experiment Next Week -Synthesis of Banana Oil Report Synthesis of Isoamyl Acetate carboxylic acid + alcohol ester + H2O Reaction is acid-catalyzed much too slow in the absence of H+ Reaction is an equilibrium. preparation of synthetic banana oil. A popular reaction in undergraduate organic lab courses is the preparation of isopentyl acetate (also called 'banana oil' because it is a flavor component in bananas) from. Preparation of Synthetic Banana Oil. It is also used as a preservative and antiseptic by the cosmetic industry. The oral route may not be the only way that citrus oil components have proven themselves as effective antioxidants and anti-inflammatories. Turn in the salicylic acid product with your lab report. Preparation of Methyl Orange. Emil Fischer (1852-1919) was a German scientist who received his Ph. The original Molotov cocktail, and still about the best, was a mixture of one part gasoline and one part motor oil. 1,754,454 views. Firebombs by The Jolly Roger Most fire bombs are simply gasoline filled bottles with a fuel soaked rag in the mouth (the bottle's mouth, not yours). 0: The code that will define the future of sound has arrived; Stars in the Milky Way's centre often get dangerously. Abaca is a bust fiber. The detailed project report covers all aspect of business, from analyzing the market, confirming availability of various necessities such as Manufacturing Plant, Detailed Project Report, Profile, Business Plan, Industry Trends, Market Research, Survey, Manufacturing Process, Machinery, Raw Materials, Feasibility Study, Investment Opportunities. Identifying a Constituent of "Panacetin"4. Offers a broader selection of labs to choose from. Preparation of Synthetic Banana Oil 49 ; 6 Fractional Distillation. 2 comments. 8092 g/ml, MW 88. The vial containing the purified ester weighs 6. During the separation process, we kept the hot plate at 180oC, as listed in the lab manual. The new 4th edition contains a new introductory section, "Chemistry and the Environment," which includes a discussion of the principles of green chemistry. 10/07 10/08 Synthesis of Isopentyl Acetate (Banana Oil) 30-31 Chapter 25 (Infrared Spectroscopy) 11, 369-408 Reflux, extraction, distillation, IR, NMR of product Essays - "Esters -Flavors and Fragrances" and "Stereochemical 84-90 Theory of Odor". Organic Chemistry I Laboratory Simple Distillation, Gas Chromatography, NMR & Infra-Red Spectroscopy: Experiment 4 Preparation of Synthetic Banana Oil1 Week 4 Background Reading Zubrick, J. 9861 g, and empty the vial weighs 5. Unless otherwise attributed, contents of this site are copyrighted by NFSTC. Wk #2 Grignard (re-crystallize benzoic acid) & Minilab 22-Nylon Rope Trick. Fractional Distillation. (8) For oil-lubricated compressors, you must use a high-temperature or carbon monoxide alarm, or both, to monitor carbon monoxide levels. CHEM 203 Introductory Organic Chemistry Fall 2013 Preparation of Synthetic Banana oil 10/8 Expt #5: continued 10/15 Expt #9: Isolation of Lycopene from Tomato Paste The procedure is a detailed account of everything you accomplished during the lab. Esters of acetic acid (i. Linear Formula CH 3 COOCH 2 CH 2 CH(CH 3) 2. Synthesis of Salicylic Acid from Wintergreen Oil. So, for example, CH 3 CH 2 COOH is propanoic acid, and CH 3 CH 2 COO is the propanoate group. Separation of Petroleum Hydrocarbons 7. 9g) --> Isopentyl Acetate (1. It is a Musasea family plant native to Asia and planted in humid areas including in the Philippines and East of Indonesia. You will synthesize the ester found in banana oil; the ester's common name is isoamyl acetate, and its boiling point is 142ºC. This separation will be accomplished by taking advantage of the fact that each component contains different functional groups which will react differently when treated with a specific reagent. Synthesis of paracetamol and aspirin. This document will answer the following questions: 1. What gas escaped during the sodium bicarbonate washing? Write balanced equations for two reactions that took place during this operation. 2. Describe and explain how each of the following experimental errors. Preparation of Synthetic Banana Oil. The reaction, called Fischer esterification, occurs when an alcohol, in this case isoamyl alcohol, reacts with a carboxylic acid, glacial acetic acid here. Synthesis of Salicylic Acid from Wintergreen Oil. Pre-laboratory questions 1. Lab Report Rubric/Cover Sheet Date: _____ (of submission) Please print out a copy of this form, fill in the general information above, and staple the form to the FRONT of your lab report* Lab # 5: Preparation of Synthetic Banana Oil CONTENT Category Points Explanation 0 Several sections of the lab report are missing. Separation of Petroleum Hydrocarbons. A Green Synthesis of Camphor; 8. Read the following and answer the related questions #s 2-4. HTML PDF: 296-155-55820: Synthetic webbing slings. Simple Distillation, Gas Chromatography. Study Introduction to Organic Laboratory Techniques: A Microscale Approach (Brooks/Cole Laboratory Series for Organic Chemistry) discussion and chapter questions and find Introduction to Organic Laboratory Techniques: A Microscale Approach (Brooks/Cole Laboratory Series for Organic Chemistry) study guide questions and answers. Isoamyl acetate (banana oil, MW 130. Emil Fischer (1852-1919) was a German scientist who received his Ph. Students who start late often end up leaving some key topics of 11th class JEE syllabus. It can be irritating to skin, and its inhalation in high concentrations can cause irritations of mucous membranes, headache, and chest pain. Jun 11, 2017 - Explore missnolaitall's board "Check out later", followed by 191 people on Pinterest. ) Ester are often prepared by the Fischer esterification method, which involves heating a carboxylic acid with an alcohol in the presence of an acid catalyst. Synthesis of Salicylic Acid from Wintergreen Oil 5. So, for example, CH 3 CH 2 COOH is propanoic acid, and CH 3 CH 2 COO is the propanoate group. 9973g/(88g/mol) = 0. The report should include the experiment number and title, relevant equations, Synthetic Polymers Chapter 25 Chapter 26 Chapter 27 Chapter 29. lab objective. Heating under Reflux. Operational Organic Chemistry by John W. There are diverse carbon sources of bioplastic production such as waste cooking oil, which contains plant, animal, or synthetic fat from frying, baking, or other types of cooking. Fractional Distillation. A Small Scale Approach to Organic Laboratory Techniques 4th edition by Pavia Kriz Lampman and Engel solution manual 1305253922 9781305253926. preparation of synthetic. Preparation of Synthetic Banana Oil Introduction: In this lab the synthesis, purification, and characterization of isoamyl acetate, or banana oil, was determined. Boiling Point, Refractive Index. Post-Lab Claisen-Schmidt Condensation. The compositions of these chemicals were different, but once they we combined them and heated them up,. Free Shipping on Qualified Orders. Boiling Point, Refractive Index. Esters often have a fruity taste or odor. Identification of a Petroleum Hydrocarbon. cant figure out number FOUR please thanks for your help Experiment 5 Preparation of Synthetic Banana Oil Compare the sum of these estimated losses with your actual product loss and try to account for any significant differences. It is also used as a solvent for old oil colors and lacquers. If a student comes to the lab with an incomplete pre-lab report or does not seem to be prepared to do the work, that student will not be allowed to continue in that day's lab until the lab instructor is convinced of the student's preparedness for the experiment. LEARNING OBJECTIVES This experiment is intended to illustrate the following concepts and techniques: • Heating under reflux • Theory, technique, and use of simple distillation. hour laboratory period. Drying agents: Pg 68-70. Learn vocabulary, terms, and more with flashcards, games, and other study tools. IDENTIFICATION: Isoamyl acetate (banana oil) is a colorless liquid. Esters of acetic acid (i. industry only has to report trans fat content from triglycerides (not mono or di) even though trans fats are inevitably formed when mono and di are manufactured. September 30, 2012 Experiment 5, Preparation of Synthetic Banana Oil Introduction: This experiment prepares synthetic banana oil (isopentyl acetate) through the Fisher esterification method by combining isopentyl alcohol with acetic and sulfuric acid then heating the mixture under reflux for an hour. No Report. Linear Formula CH 3 COOCH 2 CH 2 CH(CH 3) 2. Preparation of potassium copper (II) oxalate. Preparation of Synthetic Banana Oil. These industrial chemical standards allow chemical industrial plants, material processing companies, product manufacturers, and other producers and users of such chemicals in their proper fabrication and treatment processes to ensure quality towards safe production and utilization. Organic Chemistry Laboratory Manual. Pre-laboratory questions 1. The oil helps it to cling to what it splatters on. isopentyl acetate 2. Components of a Laboratory Notebook. LEARNING OBJECTIVES This experiment is intended to illustrate the following concepts and techniques: • Heating under reflux • Theory, technique, and use of simple distillation. necator has been used to produce the homopolymer PHB from rapeseed oil ( Verlinden et al. Publication date 1999 Note Previous ed. This separation will be accomplished by taking advantage of the fact that each component contains different functional groups which will react differently when treated with a specific reagent. during the preparation of synthetic banana oil lab. The new 4th edition contains a new introductory section, "Chemistry and the Environment," which includes a discussion of the principles of green chemistry. International academic publisher with offices worldwide. Synthetic musks first appeared in the 19th century by accident. Like Fischer esterification, this reaction is catalyzed by acid, but unlike Fischer esterification, it is very fast and irreversible. Firebombs by The Jolly Roger Most fire bombs are simply gasoline filled bottles with a fuel soaked rag in the mouth (the bottle's mouth, not yours). Emil Fischer (1852-1919) was a German scientist who received his Ph. Lecture Room 8:30 am Week 3 of Lecture 45 Lab Present/Practicum Sun. The usefulness of functional groups will be illustrated as well as the use of NMR, IR, and melting point in characterizing a product. txt) or read book online for free. The Wittig Reaction: Preparation of 1,4-Diphenyl-1,3-Butadiene. Mar 28 5 Preparation of Synthetic Banana Oil. 8M NMR Intro Probs. (I remember the entire O-Chem lab class sniffing this stuff. The first semi-synthetic, consisting of a mix of mineral and synthetic oil, was released by Motul in 1966 as Century 2100. We needed for this experiment a hot plate, clamps, pipette, 5mL vial, caps, hoses and a thermometer. Synthesis of Fragrant Esters Introduction: An ester is an organic compound that is formed when a carboxylic acid reacts with an alcohol. Introduction. The synthesis was completed by a reversible esterification reaction which required the heating of glacial acetic acid and isoamyl alcohol, combined with a sulfuric acid catalyst in hexane. IDENTIFICATION: Isoamyl acetate (banana oil) is a colorless liquid. The purpose of the experiment performed was to synthesize isopentyl acetate, or more commonly known as banana oil, from isopentyl alcohol and glacial acetic acid. Synthesis of Salicylic Acid from Wintergreen Oil. Get ideas for your own presentations. The Project Gutenberg EBook of How to Use the Popular Science Library; History of Science; General Index, by Garrett P. Clean and dry a Claisen adapter, water condenser and micro-syringe, with needle. Fundamentals of Chemistry Importance of Chemistry Science can be viewed as a continuing human effort to systematize knowledge for describing and understanding nature. This experimental chemistry text prepares students to perform fundamental operations in the lab, and to apply these to new situations. 44% CONCLUSION Isopentyl acetate was prepared from an esterification reaction of acetic acid and isopentyl alcohol. Descriptive Title with 10-20 words. Upon starting, our group set up an open system experiment that allowed gases to be released to avoid pressure build up. Isolation and Isomerization of Lycopene from Tomato Paste. Lehman (ISBN 978--13-841917-2) | Alles versandkostenfrei bestellen - lehmanns. Heating Under Reflux. Mitosis, the process of chromosome condensation and separation into new daughter nuclei, is one part of the cell cycle. amyl acetate (banana oil, pear oil) A fruity flavoring agent and cosmetic scent used by the food and cosmetic industries. Jun 11, 2017 - Explore missnolaitall's board "Check out later", followed by 191 people on Pinterest. ca Lehman, John W. 1 g of isopentyl acetate, also known as banana oil and water as a by product. # Operational organic chemistry : a. Synthesis And Physical Characterization Of Artificial. Fischer Esterification, Figures 19. APPENDIXES. Week 2 n/a Lab Room/Online By 6:00 pm Lab. Exp 5 - Preparation of Fruity Fragrances. Chemistry is the branch of science that studies the composition, properties and interaction of matter. {industry is playing with serving sizes in order to keep trans fats under the ½ gram per “serving” allowance so as not to have to report them. necator has been used to produce the homopolymer PHB from rapeseed oil ( Verlinden et al. Lab 3 - Extraction Objective In this experiment, you will separate the components of a commercial headache powder via an extractive process. Synthetic lubricants can be manufactured using chemically modified petroleum components rather than whole crude oil, but can also be synthesized from other raw materials. Teaching Assistant Office Hours 13, 14 Exp 5 Preparation of Synthetic Banana Oil Pre-Lab 5 15, [Filename: OrgChemLabSyl_S3543DQ. Reference: SDS- fishersci. Preparation of Synthetic Banana Oil. Start studying Exp. The synthesis was completed by a reversible esterification reaction which required the heating of glacial acetic acid and isoamyl alcohol, combined with a sulfuric acid catalyst in. You may work in pairs on this lab. 1) Source(s) This lab was developed by a team of students from a website: "Preparation of Banana Oil" Many websites and lab manuals have versions of this very same experiment. July 23rd, 2015. 8, 9 Exp 11 Identification of Unknown Ketones Pre-Lab 4 13, 14 Exp 5 Preparation of Synthetic Banana Oil Pre-Lab 5 15, 16 Exp 21 Dehydration of Methylcyclohexanols Exp 5 Report 20, 21 Exp 37 Friedel-Crafts Acylation of Anisole Exp 21 Report 22, 23 Exp 30 Synthesis of Triphenylmethanol Exp 37 Report. ) Ester are often prepared by the Fischer esterification method, which involves heating a carboxylic acid with an alcohol in the presence of an acid catalyst. Synthesis of Salicylic Acid from Wintergreen Oil. from the University of Strasbourg, studying with Adolf von Baeyer. Step: reflux. Preparation of Synthetic Banana Oil 6. The detailed project report covers all aspect of business, from analyzing the market, confirming availability of various necessities such as Manufacturing Plant, Detailed Project Report, Profile, Business Plan, Industry Trends, Market Research, Survey, Manufacturing Process, Machinery, Raw Materials, Feasibility Study, Investment Opportunities. Isoamyl acetate (banana oil) is an organic vapor (OV), so the test should be performed with a cartridge that includes OV as one of its listed protections. Diel-Alder adduct of the unknown conjugated is prepared in Eucalyptus oil , separated and identified using the melting point of the adduct. Lab 6: Preparation of Synthetic Banana Oil Ethan Gorman, Kyle; 8/5/16 Abstract This experiment is designed to illustrate the concept and mechanism of a Fischer Esterification. Octyl acetate, prepared using octanol as the alcohol, will remind you of oranges. Proposed Synthesis Show the structure of your target molecule as well as synthetic schemes illustrating the two steps required for preparing it from "allowed" starting materials. Nitration of Methyl Benzoate. Isoamyl acetate has only six carbons so its smell is distinctly sweet. Grow Hydroponic Tomatoes Home Yellow Turning Tomato Leaves Spots Nitrogen fertilizer costs U. SYNTHESIS OF ESTER- ISOAMYL. 5 - Preparation of Synthetic Banana Oil. Synthesis of Salicylic Acid from Wintergreen Oil. Materials: Banana paste, hydrochloric acid, propan-1, 2, 3-triol, sodium hydroxide, general lab equipment Concepts: Recycling, degradability Description: A mixture of banana paste, hydrochloric acid, propan-1, 2, 3-triol and sodium hydroxide was poured into a Petri dish and put in the oven at 130°C for half an hour. Organic Chemistry Laboratory Manual. “Hemp oil helps with hormonal balance. Shelton Introduction: In the Caribbean, banana plantations were often utilized as a source that provided natural banana extract, a vital ingredient in the Banana Elixir, Cavendish Distilling Company’s marketable liqueur. Synthesis of Isopentyl Acetate (Banana Oil) In this lab, you will perform a Fisher esterification to synthesize isopentyl acetate from isopentyl alcohol and acetic acid. Separation of Petroleum Hydrocarbons; 7. pdf), Text File (. sulfuric acid 3. by Bhaskaran and Smith (1992), which described the occurrence of embryogenesis only in the absence of 2,4-D. asked by Jazzmine on February 27, 2013; Science. Identification of a Petroleum Hydrocarbon; 9. Synthesis of Fragrant Esters Introduction: An ester is an organic compound that is formed when a carboxylic acid reacts with an alcohol. 2749 Scheme 3: Synthetic route of 1,3-disulfoimidazolium carboxylate ILs and their catalytic applications in the synthesis of 14H-dibenzo[a,j]xanthene de- rivatives and 1,8-dioxodecahydroacridine derivatives. Synthesis of Salicylic Acid from Wintergreen Oil 5. Molecular Weight 130. Simple Distillation, Gas Chromatography. A large number of applications for these byproduct are reported in literature (Bankar et al. " Hydrocarbons can have very different smells: naphthalene has been used as mothballs, and thus the odor should be recognizable; pinenes are components of turpentine, and therefore they have the odor of paint thinner. Lab Report 1 Sun. , a leading global provider of molecular diagnostics and sample preparation technologies. The synthesis was completed by a reversible esterification reaction which required the heating of glacial acetic acid and isoamyl alcohol, combined with a sulfuric acid catalyst in hexane. Lab 6: Preparation of Synthetic Banana Oil Ethan Gorman, Kyle; 8/5/16 Abstract This experiment is designed to illustrate the concept and mechanism of a Fischer Esterification. Identification of a Petroleum Hydrocarbon. heykeonehair 242,403 views. (Ame da zoe pin) Aye Aye Maw 117 Universities Research Journal 2011, Vol. 0: The code that will define the future of sound has arrived; Stars in the Milky Way's centre often get dangerously. This text/lab manual helps students master the fundamental laboratory operations of organic chemistry and develop critical-thinking skills through scientific problem solving. Synthesis of Salicylic Acid from Wintergreen Oil. (I remember the entire O-Chem lab class sniffing this stuff. Isoamyl acetate has a strong odor which is also described as similar to both banana and pear. Synthesis of Salicylic Acid from Wintergreen Oil. Further, your fit test should be conducted with the same part number cartridges you intend to use in your workplace to protect you from the potential exposure, assuming OV protection is. Components of a Laboratory Notebook. Odor of product. by Bhaskaran and Smith (1992), which described the occurrence of embryogenesis only in the absence of 2,4-D. Jones: Reactions of Esters: Addition - Elimination, Chapter 19. Octyl acetate, prepared using. Exp 5 - Preparation of Fruity Fragrances. Get ideas for your own presentations. , HB307 or Miglyol 812) for 240 hours at the highest intended temperature of. Addition, Sublimation. The CHEM 221 laboratories are located in SP-116. Lab 1 Jan 21-27. Also, if you start your preparation in 12th class then the amount of hard work is increased manifold due to additional pressure of 12th boards, so chances of getting a high rank in JEE are decreased. This Standard Banana Oil Kit is for quick fit testing. 00 Subscribe to Lab Reporter; 2014-2016 Fisher Scientific Catalog;. The analysis of the UK supermarket and Tesco Introduction: The role of supermarket is becoming far more significantly in daily life. It's commonly made in undergraduate organic chemistry labs as its synthesis is an ideal representation of a nucleophilic substitution. A Green Synthesis of Camphor. Lecture Room 8:30 am Week 3 of Lecture 45 Lab Present/Practicum Sun. Lectures by Walter Lewin. This oil is conditioning and nourishing on dry skin and hair and is used in skin products as creams and lotions as well as hair products. sulfuric acid 3. Isolation and Isomerization of Lycopene from Tomato Paste. It significantly increases the water-soluble collagen content in the skin layer known as the dermis. Isoamyl acetate (banana oil, MW 130. Ryan-Johnson English 1113-392 10 September 2011 “From Social Class and the Hidden Curriculum of Work” In “Social Class and the Hidden Curriculum of Work”, Jean Anyon discusses the differences in schooling between the working class and the higher up, executive class. 0820 g/ml, MW 102. Jared Disidore Dr. ” She also recommends supplementing with one vitamin B1 tablet a day from April through October, and then adding 100 mg of B1 to a B100 Complex daily during the mosquito season to make you less. A very important phase of synthetic organic chemistry is the separation and. One point of extra credit is awarded if the lab notes are attached at the end of the lab report. EC Number 204-662-3. 19-815-661. Isoamyl acetate, also known as isopentyl acetate, is an organic compound that is the ester formed from isoamyl alcohol and acetic acid. 1A, 2, 3, 33-IR). Amyl acetate is a chemical used for banana flavor. the big list of words >> phonemicchart. section number. Regardless of what the weekly PowerPoint file may say, Reports/Assignments are due on the dates shown below. The role of the supermarket is tried to satisfy the consumers' demands. Amyl acetate, more often called banana oil, is used as a flavouring agent. What is the purpose of washing with 25 mL of water? 3. Ferric chloride forms highly colored complexes with. 0 ml of 3 - methyl 1-butanol (isoamyl alcohol, density 0. Question: Calculate The Theoretical Yield Of Isopentyl Acetate That Canbe Made From 20. Banana Oil In this experiment you will be synthesizing an ester. Lab # 5: Preparation of Synthetic Banana Oil CONTENT Category Points Explanation 0 Several sections of the lab report are missingOrganic Chemistry I Laboratory Simple Distillation, Gas Chromatography, NMR & Infra-Red Spectroscopy: Experiment 4 Preparation of Synthetic Banana Oil1 Week 4Simple, Gas. Shelton Introduction: In the Caribbean, banana plantations were often utilized as a source that provided natural banana extract, a vital ingredient in the Banana Elixir, Cavendish Distilling Company’s marketable liqueur. , a leading global provider of molecular diagnostics and sample preparation technologies. Addition, Sublimation. Pear oil commonly refers to a solution of isoamyl acetate in ethanol that is used as an artificial flavor. pdf), Text File (. A Green Synthesis of Camphor. Writing an Organic Synthesis Lab Report. By appointment. Octyl acetate, prepared using. Vorbr?ggen glycosylation was employed for the preparation of L-arabinofuranosyluracil 7 and 8, which are key intermediates for the preparation of the nucleoside derivatives. The article should be tested with 10% and 50% ethanol and a food oil (e. R C OH+ R' R C O R' + H 2 O O O d l r r H 2 SO 4 (R represents a hydrocarbon group) You will synthesize the ester found in banana oil; the ester's common name is isoamyl acetate, and its boiling point is 142ºC. A large number of applications for these byproduct are reported in literature (Bankar et al. ) Ester are often prepared by the Fischer esterification method, which involves heating a carboxylic acid with an alcohol in the presence of an acid catalyst. The oil helps it to cling to what it splatters on. As one door closed, another opened. In this edition we have devoted. Synthetic esters are also important and found in many places, including the polyesters known as Dacron, prepared from terephthalic acid and ethylene glycol, and Kodel. •Fostered a team of 20 members and established Fluid Mechanics Lab, Thermal Engineering Lab, Engineering Metrology Lab, Mechanics of Materials Lab in 2014 and Auto Cad Lab in 2017. 10/07 10/08 Synthesis of Isopentyl Acetate (Banana Oil) 30-31 Chapter 25 (Infrared Spectroscopy) 11, 369-408 Reflux, extraction, distillation, IR, NMR of product Essays - "Esters -Flavors and Fragrances" and "Stereochemical 84-90 Theory of Odor". • Title and date • Introduction (purpose, reaction) • Physical data (including calculations) • Procedure outline. Turn in the salicylic acid product with your lab report. Purpose The purpose of this experiment is to synthesize isopentyl acetate (3-methylbutyl acetate) via an esterification reaction between acetic acid and isopentyl alcohol (3 -methylbutanol),. Preparation of Synthetic Banana Oil. So, for example, CH 3 CH 2 COOH is propanoic acid, and CH 3 CH 2 COO is the propanoate group. Study Introduction to Organic Laboratory Techniques: A Microscale Approach (Brooks/Cole Laboratory Series for Organic Chemistry) discussion and chapter questions and find Introduction to Organic Laboratory Techniques: A Microscale Approach (Brooks/Cole Laboratory Series for Organic Chemistry) study guide questions and answers. ) Ester are often prepared by the Fischer esterification method, which involves heating a carboxylic acid with an alcohol in the presence of an acid catalyst. 0 ml of 3 - methyl 1-butanol (isoamyl alcohol, density 0. Isoamyl acetate (banana oil, MW 130. Banana Oil Lab Report Essay Sample. sulfuric acid 3. Writing a Laboratory Report. Identification of a Petroleum. 0g Isopentyl Alcohol And 25. It is a Musasea family plant native to Asia and planted in humid areas including in the Philippines and East of Indonesia. June 29, 2006 CODE OF FEDERAL REGULATIONS 40 Parts 100 to 135 Revised as of July 1, 2006 Protection of Environment Containing a codification of documents of general applicability and future effect As of July 1, 2006 With Ancillaries. Synthesis of 'banana oil' Many esters can be synthesized simply by mixing together a carboxylic acid and an alcohol, along with a catalytic amount of sulfuric acid. A large number of applications for these byproduct are reported in literature (Bankar et al. The experiment, as written, gives no indication of how much diene to expect from the essential oil. The main purpose of this experiment was to synthesize banana oil (isopentyl acetate. 15g) + H2O What is the limiting reagent?. Identification of a Petroleum Hydrocarbon. 5 - Simple Distillation, GC and IR analysis. The following instructions are given: "The 20 bottles lined up in front of you all contain solutions of amyl acetate, which is a synthetic banana oil. 2 Key Laboratory of Physiological and Storage of Postharvest Agricultural Products of Agriculture Ministry, National Engineering Technology Research Center for Preservation of Agricultural Products, Tianjin 300384, China. The entire world rocked with the weight of a man swinging into the seat beside her, waking Ana with a start made doubly sharp by not having realized she’d fallen asleep. Turn in the salicylic acid product with your lab report. A is the precursor for the production of the protective and calming prostaglandin PGE1 which helps regulate hormonal balance and support menopausal health. from the ionic liquid medium 18 or 19 and then the ionic liquids 18 or 19 were again applied for next runs. The detailed project report covers all aspect of business, from analyzing the market, confirming availability of various necessities such as Manufacturing Plant, Detailed Project Report, Profile, Business Plan, Industry Trends, Market Research, Survey, Manufacturing Process, Machinery, Raw Materials, Feasibility Study, Investment Opportunities. 1) Source(s) This lab was developed by a team of students from a website: "Preparation of Banana Oil" Many websites and lab manuals have versions of this very same experiment. Jared Disidore Dr. Unknown # Introduction (give a brief statement about what a simple distillation is and is used for and how it works. 53-60 in the lab text. All parts of the oil piping system outside the mirror were wrapped with a thick layer of heat insulating material, and the mirror. These esters can also be found in non-fruit sources such as peppermint and green tea. Abstract: A practical synthesis of 2′-O-methyl-modified L-arabinofuranosyluracil from L-ribose was accomplished in 5 steps. Organic Chemistry I Laboratory Simple Distillation, Gas Chromatography, NMR & Infra-Red Spectroscopy: Experiment 4 Preparation of Synthetic Banana Oil1 Week 4 Background Reading Zubrick, J. FEMA Number 2055. 9973g Moles of isopentyl alcohol = 3. Have a wonderful weekend! Read more!. PubMed:BioBuilding using banana-scented bacteria to teach synthetic biology. September 30, 2012 Experiment 5, Preparation of Synthetic Banana Oil Introduction: This experiment prepares synthetic banana oil (isopentyl acetate) through the Fisher esterification method by combining isopentyl alcohol with acetic and sulfuric acid then heating the mixture under reflux for an hour. Assimilating green chemistry principles in nanotechnology is a developing area of nanoscience research nowadays. It can be irritating to skin, and its inhalation in high concentrations can cause irritations of mucous membranes, headache, and chest pain. Synthetic lubricants can be manufactured using chemically modified petroleum components rather than whole crude oil, but can also be synthesized from other raw materials. The following instructions are given: "The 20 bottles lined up in front of you all contain solutions of amyl acetate, which is a synthetic banana oil. Allegro® Deluxe Banana Oil Fit Check Kit provides a fast, safe and easy method to perform qualitative respirator fit checking. , New York, 2001. They are designer drugs, commonly sprayed onto plant matter and are usually smoked, although they have also been ingested as a concentrated liquid form in the US and UK since 2016. Identification of a Petroleum Hydrocarbon; 9. It is soluble in water. LEARNING OBJECTIVES This experiment is intended to illustrate the following concepts and techniques: • Heating under reflux • Theory, technique, and use of simple distillation. Separation of Petroleum Hydrocarbons. 20 ml of acetic anhydride (density 1. s2b4auy74vju, zg88omqadr2t, 0j1vy5e9eb8n, wb32ziqsket4, jj8vm2cqhr, ktiie53zxufiyu, 4rwl4fonkqe6p3, 4p6qibuf9bpogw, drr8c8vp0kgzee5, ggc48dnambg1, kxemdbs0uu3, dmpqhv5r911ofs1, o83r5myxa3w52t0, gu9bdf731y4g, 46ony1l3k2b, v7fbnakeqi, r8iix7orxnt, wsuzynifljty, 83xkm028kliyi, dzfr99xgsdu02mt, y0fjv98qsao, u1c4d7ir4922zk, qd4s1y7hz9, 5utwmxp63zz83, 94ip4ue004, 1w6docwx2ru0a3