Search This Supplers Products:Sodium sulfide,Sodium hydrosulfideSodium formateammonium chloridecalcium chlorideSodium chloridebarium sulfate
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Min Order25 metric ton
Briefing
Detailed
molecular formula: Na2S2O5 molecular weight: 190.10
CAS No: 7681-57-4 H.S Code: 283011020
Standard: HG/T 2826-1997
Appearance: White Crystal powder Packing: 25kg/1000kg net PP bag with PE liner
Usage: Food preservative, water treatment,photographic chemical, leather, rubber, brewing industry,ect
Specification:
Item/项目 | Index/指标 | |
Industrial Grade | Food Grade | |
Assay > % | 96 | 97 |
Assay as SO2 > % | 65 | 65 |
Water insoluble < % | 0.05 | 0.05 |
Fe < % | 0.003 | 0.003 |
PH value | 4.0-4.6 | 4.0-4.6 |
Lead(Pb) < % | ------ | 0.002 |
Arsenic(As) < % | ------ | 0.0002 |
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