glass test tube filled with a liquid and yellow sediment (precipitate) fraction

solution sediment precipitate yellow gold aurum chloride oxidation test tube vanadium iron ferum ph titration lymph urine protein solvent liquid alcohol water aqua aqueous acid ammonia nitric sulfuric orthophosphate hydrochloric phosphoric carbonic base alkaline alkali golden lead iodide ceric oxide cerium potassium pb plumbum iodoform uranium uranyl salt isolated