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Personne àcontacter Mr. Jack
Xikang, Tianjin, Tianjin
Technical grade: Purity: *7.0% min Sulfur Dioxide: *5.0% min Water Insolubles: 0.1% max PH Value: 4.**4.6 Iron (as Fe): *0ppm max Appearance: WhiteÃ&frac*2; or yellowish Crystal Powder Food grade: Purity: *8. 0% min Sulfur Dioxide: *6. 0% min Water Insolubles: 0. *5% max PH Value: 4. **4. 6 Iron (as Fe) : *0ppm max Arsenic (as As) : 2ppm max Heavy Metals (as Pb) : *0ppm max Appearance: White Crystal Powder
