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Personne àcontacter Mr. Annie
Pukou, Tianjin, Tianjin
Model No.: TJXB-SC***1 Purity: *8%min Appearance: White crystalline powder Insoluble matter in water: 0.*1% max Ferric: 0.**2% min Sulfides(in terms of NA2S): 0.**1% max Used for reduction as fixing agent photography, strening agent in thrmanufacture of cement, in leather and textil industry.