Sep 02, 2019 · Soak overnight in oxalic acid to remove iron deposits. If your quartz crystals have only a small outer layer of iron, you should be able to thoroughly clean them by soaking them in a weak solution of oxalic acid overnight. Put the quartz crystals in a plastic bucket with the oxalic acid and cover the bucket overnight.

Decanoic acid | C10H20O2 | CID 2969 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety ...Hydriodic acid is an aqueous solution of hydrogen iodide whose chemical formula is HI. It is formed when hydrogen iodide (colorless gas with a sharp odor) is dissolved in water to form a pale yellow solution, which is strong and highly corrosive.