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.
- 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|
|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|