purity 85 %Â 88%Â 90%
packing 50kg drumÂ
ITEM | UNIT | STANDARD | ACTUAL DATA |
Sodium Hydrosul/font>ite | % | 88Â Â Â Â Â Â Â min | 88.2 |
Water insoluble | % | 0.1Â Â Â Â Â Â max | 0.06 |
Sodium thiosulfate: Na2S2O3 | % | 1.2Â Â Â Â Â Â max | 0.7 |
Sodium metabisulfite: Na2S2O5 | % | 5-7 | 6 |
Sodium bisulfite:NaHSO3 | % | 0.5 Â Â Â Â Â max | 0.4 |
Sodium carbonate: Na2CO3 | % | 0.6-2 | 1.5 |
Sodium formate: HCOONa | % | 0.5 Â Â Â Â Â max | 0.3 |
Zn | % | 0.0001 Â max | 0.00009 |
Fe | % | 0.005 Â Â max | 0.004 |