Sodium Metablsulfite Molecular formula: Na2S2O5 Molecular weight: 190.10 CAS NO: 7681-57-4 ITEM SPECIFICATION Purity(as Na2S2O5) 96% MIN Arsenic(As) -- Heavy metal(as Pb) …
Sodium Metablsulfite Molecular formula: Na2S2O5 Molecular weight: 190.10 CAS NO: 7681-57-4 ITEM SPECIFICATION Purity(as Na2S2O5) 96% MIN Arsenic(As) -- Heavy metal(as Pb) -- Water insoluble 0.05% MAX Iron(Fe) 0.005% MAX PH Value 4.0-4.6 PAC
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