objective was to convert a specific amount of salicylic acid into the same amount of aspirin that was high in purity. Furthermore‚ the other objectives were to enable students to conduct the synthesis of aspirin‚ reinforce skills or recrystallisation and the technique of melting point determination. The amount of each compound should be the same because there is a 1:1 ratio between them. The purity of the synthesized aspirin was measured by determining its melting point and percent yield. Soluble impurities
Premium Aspirin Acetic acid Carboxylic acid
Reshmi Nair Title: Determination of Aspirin through back titration. Aim: To determine the concentration of Aspirin in a tablet using NaOH and Hcl. Research Question: What is the concentration of Aspirin in a normal tablet? Background: Aspirin is the general name for acetylsalicylic acid (ASA); it is also the trademark of the drug produced by Bayer in Germany. In eighty countries‚ aspirin is a registered trademark‚ but in other places the term aspirin refers to ASA by itself or as an ingredient
Premium Paracetamol Ibuprofen Sodium hydroxide
AG Brett Levy & Nathan Lester Table of Contents Introduction 2 5 Forces Model of Industry Competition 4 Explanation of 5 forces model 5 SWOT Analysis 9 Explanation of SWOT 10 Generic and Grand Strategies 13 Conclusion 16 References 17 Introduction Daimler AG was founded in 1896 by two German inventors Gottlieb Daimler and Carl Benz in Stuttgart‚ DE (Germany). Though originally two separate companies‚ Daimler Motoren Gesellschaft and Benz and Company‚ the companies merged
Premium Automotive industry Mercedes-Benz Daimler AG
Devices Other Equipment Procedure Synthesis of Aspirin Crystalizing the Aspirin Recrystallizing the Crude Aspirin Finding the Melting Point Range Safety Precautions Acetic Anhydride Sulphuric and Salicylic Acid Heating Observations Mass of Aspirin Synthesized Melting Point Calculations Percentage Yield Maximum Yield Crude Product Final Product Melting Range Percentage Error Crude Product Final Product Conclusion and Analysis Discussion Suggested Modifications to Procedure
Free Aspirin Acetic acid Sulfuric acid
Aspirin or acetylsalicylate acid is a compound that is widely used in medicine. The use of aspirin in medicine began long before the active reagent was removed from its natural source. The first documented use of aspirin was found in the writings of Hippocrates‚ the so called father of medicine. Hippocrates prescribed that willow bark could be used to remedy a wide range of conditions such as pain‚ fever and inflammation. Scientists began to seek to extract the active compound from willow tree bark
Premium Aspirin
Jennie K. Daniels Organic Chemistry 2121 11 February 2014 Synthesis of Aspirin Salicylic acid derivatives‚ or salicin‚ are found in the bark of the willow tree. In the 5th century B.C.‚ Hippocrates ground the bark into a powder‚ and later‚ the Natives Americans chewed on the bark to alleviate fever and pain1. In the 19th century‚ a German chemist by the name of Felix Hoffman wanted to find a medication that would ease
Premium Aspirin
Cisplatin Resources 1. M. H. Hanigan and P. Devarajan‚ “Cisplatin nephrotoxicity: molecular mechanisms‚” Cancer Therapy‚ vol. 1‚ pp. 47–61‚ 2003. 2. Santiago Gómez-Ruiz‚ Danijela Maksimović-Ivanić‚ Sanja Mijatović‚ and Goran N. Kaluđerović‚ “On the Discovery‚ Biological Effects‚ and Use of Cisplatin and Metallocenes in Anticancer Chemotherapy‚”Bioinorganic Chemistry and Applications‚ vol. 2012‚ Article ID 140284‚ 14 pages‚ 2012. 3. N/A 4. Santiago Gómez-Ruiz‚ Danijela Maksimović-Ivanić‚ Sanja
Premium Chemotherapy Year of birth missing American film actors
Learning Center‚ Inc. 6539 Isabel‚ Leyte Synthesis of Aspirin An Investigatory Project Presented to: Edmundo A. Quiñones Chemistry Teacher In Partial Fulfillment of the Requirements In Science and Technology III (Chemistry) Presented by: Kenneth Ivan P. Durano Cyrill Val G. Lozano March 6‚ 2010 APPROVAL SHEET This investigatory project entitled “The Synthesis of Aspirin” requirement for Science and Technology III (Chemistry) has been
Premium Acetic acid Aspirin Acetic anhydride
AP English 11—Bayer/Helly A Farewell to Arms style analysis essay ==================================================================== Task : Read the passage on page 249—“That night at the hotel…there will be no special hurry.”—of Ernest Hemingway’s A Farewell to Arms . Examine how Hemingway develops Frederic’s attitude using a variety of stylistic devices. The passage is below as well. Guidelines : 1. In preparation for the essay‚ divide the passage into parts—by tone‚ by action
Free Ernest Hemingway A Farewell to Arms
chemist named Charles Frederic Gerhardt. In 1853‚ this man neutralized salicylic acid by buffering it with sodium (sodium salicylate) and acetyl chloride‚ creating acetylsalicylic acid. In 1897‚ Felix Hoftmann invented acetyle salicylic acid (ASA) for Bayer – a formulation of salicylic acid which did not have the unpleasant side effects of its predecessor. The person in charge of Bayer’s testing laboratories shelved this new drug for two reasons. Initial test on ASA were not
Premium Aspirin Salicylic acid