Essays

1. Aim To determine the percentage of aspirin in different commercial preparations and to find which is the best value for money 2. Hypothesis The greater the percentage of acetylsalicylic acid (ASA) in the tablet, more powerful and efficient the …

Aspirin is a painkilling drug and is produced worldwide to reduce and stop pain. Aspirin is made up of ehtanoylation of 2-hydroxbenzenecarboxylic acid in a presence of phosphoric acid. AIM: The aim of the experiment is to prepare and produce …

Abstract: Introduction/Objective: Prepare and analyze aspirin from salicylic acid and acetic anhydride, and calculate the percent yield of the synthesized aspirin. Materials and Methods: This experiment called for the synthesis of acetylsalicylic acid, or aspirin, by using salicylic acid, acetic …

This lab has the following two concepts: synthesis of acetylsalicylic acid and analysis of acetylsalicylic acid. Synthesis is a purposeful execution of chemical reactions to obtain a product. This concept is used in the first part of the lab; when …

Aspirin or acetylsalicylic acid is one of the most commonly used drugs in the world. It can act as an analgesic, an NSAID, an antipyretic, and a platelet aggregation inhibitor. Aspirin was originally derived from the active ingredient in willow …

This report gives a detailed account of the experimental preparation of aspirin in a laboratory environment as well as some basic industrial background on the product. It also contains information about safety precautions put in place to ensure the safety …

Jeana Greaves Chem3301-112 June 19, 2013 Synthesis of Aspirin from Methyl Salicylate Introduction The synthesis of Aspirin (Acetyl Salicyclic Acid) began with methyl salicylate and sodium hydroxide as the reagent. The polar oxygen accepts the electrons from now positively charged …

A. Abstract Aspirin is the common name for the compound acetylsalicylic acid, widely used as a fever reducer and as a pain killer. The first part of the experiment aims to synthesize aspirin from the reaction of salicylic acid with …

This lab is about synthesizing aspirin using a hotplate to heat the reaction. It involved vacuum filtration, recrystallization, and comparing the properties of aspirin with salicylic aspirin. The first thing we did in this lab was make a hot-water bath …

After recrystallisation differences between the crude and purified aspirin were noted. The impure (crude) aspirin was powered and fluffy with small clumps and was slightly yellow in colour whereas the pure aspirin has a less fluffy crystalline powder and was …