Preparation & purification of aspirin
A classic experiment to synthesise aspirin and check the purity of the product you make by taking its melting point and by using thin layer chromatography. The photograph of the packet on the right is an interesting image as each tablet contains 75 mg of aspirin. When aspirin is taken to relieve the symptoms of pain or fever the tablets usually contain 300 mg of aspirin. The 75 mg tablets are commonly prescribed to...