Consumer Chemistry: Properties of Aspirin
PRODUCT DETAILS
Since its initial purification and commercialization, several other painkillers have been introduced to the market. However, aspirin is to this day the most widely-used painkiller and largest selling non-prescription medicine in the world. Students will learn about the history of the development of acetylsalicylic acid (aspirin) as well as test the performance of several different types of aspirin. Among the properties the students will examine are the solubility of aspirin in varying gastrointestinal environments, a comparison of active ingredients in regular and extra-strength aspirin, and the differences between regular and buffered aspirin. Materials include: five 30 ml bottles of hydrochloric acid, 1M solution UN1789; eight 30 ml bottles of sodium hydroxide, 1M solution UN1824; 30 ml phenolphthalein, 1% in ethanol UN1170; 50 universal indicator strips; 15 graduated plastic pipettes; 45 disposable medicine cups; 75 regular aspirins; 60 buffered aspirins; 45 enteric coated aspirins; and 15 extra-strength aspirin. Contains enough materials for 15 groups. Grades 6-12.
