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        1. Sodium Metabisulphite

          Sodium Metabisulphite

          Sodium Metabisulphite
          H.S.CODE: 28321000
          CAS NO.: 7681-57-4
          Molecular formula: Na2S2O5
          Property: white or light yellow crystalline powder or small crystal, with SO2 odor,Sg 1.4.
          Use: Used in drug, food, ferment, rubber, textile, photo, flavor, dyes, tannage and preservativeof fruit and vegetable.
          Packing: in 25kgs plastic woven bag.
          Specification: 

          Commodity of Goods Sodium Metabisulphite
          Packing In 25kgs plastic woven bag
          Appearance White or yellowish crystal powder
          Item Standard
          Main purity 96% min
          SO2 65% min
          Fe 0.005% max
          Water insoluble 0.05% max
          PH value 4.0-4.2
          Heavy metal(Pb) 0.002% max
          As 0.0002% max


           

              



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