Sodium hydrosulfite

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Sodium hydrosulfite
Posting date : May 04, 2010
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28-
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Sodium hydrosulfite Name:Sodium hydrosulfite Formula:Na2S2O4Appearance: white crystalline powder Bouquet: no odor or with so2 odour Packing: 1) with double packing seal, drum polythelene film bag Net content 15KG / 20KG / 25 kg / 50KG / 100KG / 200KG     Product technical indicators:: Index name 90% 88% 85% food-grade Na2S2O4 % 90 88 85 85 (Fe) 20ppm 20ppm 20ppm 20ppm (Zn) 1ppm 1ppm 1ppm 1ppm Clarify degrees clarify clarify clarify clarify EDTA - - - qualified (As) - - - 1ppm Other metals (Pb) - - - 1ppm Formate (HCHO) - - - 0.05% insoluble matter 0.05% 0.05% 0.05% - Storage period (month) 12 12 12 12

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