Reparaphrase the lab report Given samples of acetylsalicylic acid, acetaminophen, caffeine, and ibuprofen, calculate the Rf values and melting temperatures. Identify solvent system that produces good separation. Identify an unknown analgesic using Thin-Layer Chromatography (TLC). Principle “Thin-layer chromatography is a method of separation, or identification of a mixture of components by using finely divided adsorbent […]