soidum meta bi sulphite

soidum meta bi sulphite

What is soidum meta bi sulphite?

Sodium metabisulphite is also called. Sodium pyrosulphite or sodium disulphite ,It is a white, crystalline powder. It is an inorganic compound of chemical formula Na2S2O5.

Uses

  • Reducing agent in the production of chemical fibres
  • Water treatment
Sodium meta bisulphite 98 % Min
Sodium sulphite 1% Max
Sulphur dioxide in total 66% Min
Thiosulphate 0.05% Max
Chloride 0.05% Max
Iron (Fe) 5 mg/Kg Max
Selenium (Se) 0.5 mg/Kg Max
Arsenic (As) 0.4 mg/Kg Max
Lead (Pb) 0.5 mg/Kg Max
Mercury (Hg) 0.1 mg/Kg Max
Heavy metals (as Pb) 10 mg/Kg Max
PH value (10% in water ) at ambient temp 4.0 – 4.5