Regal Biotechnology Co., Ltd.

China Manufacturer with main products: Soda Ash, Sodium Sulphate Anhdyrous, Caustic Soda, Stpp, Sodium Hydrosulfite, Sodium Percarbonate, Sodium Perborate, Zeolite

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sodium metabisulfite

Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Quick Details

  • Classification: Sulphate
  • Purity: 97%
  • Grade Standard: Industrial Grade
  • CAS No.: 7681-57-4
  • Type: Sodium Metabisulfite


  Product: sodium metabisulfite 97.0%

ITEM                            Specification                            Result

Purity (AsNa2S2O5 %)     97.0%  MIN                       97.12%

(As SO2)            65.0% MIN               66.4%

NACL               0.2% MAX               0.1%

ARSENIC (As)            0.0002% max            0.0001%

Heavy Metal ( AS Pb)      0.005% max             0.002%

Water Insoluble:            0.05% max              0.02%

IRON (Fe)                 0.005% max             0.002%

PH Value                  4.0-4.6                  4.2 

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