Nefradina's Identifier

This magical test kit identifies potions, powders, and other alchemical substances. Its an assortment of vials, flasks, and beakers in small, padded compartments and a codex which instructs the owner on how to use the test kit.
Look up the substance's characteristics (odor, color, consistency, etc) and creates a test mixture then adds a drop of the substance he wishes to identify. The resulting effects identified through a process of elimination.