... Heavy metals: ≤10μg/g; ≤10μg/gAppearance of solution (1.0g, 10ml water): colorless, almost clear Usage ... In the medicine field, it can keep the balance of acid and alkali in the human body, and recover ... the normal operation of nerve. It can be used in the prevention ... scale3, Used as surface cleaning agent of metal4, Used as cleaning agent of glass bottle 5, It also can be ...