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Personne àcontacter Mr. Annie
Pukou, Tianjin, Tianjin
Chemical Name: Sodium Metabisulphite Molecular Formula: Na2S2O5 Molecule Weight: **0.*0 Appearance: White or light yellow crystalline powder. Specification: Sodium metabisulfite(sodium metabisulphite) Main Assay as NA2S2O5: *6% min Fe: 0.**3% max Water insoluble matter: 0.*4% max