... alkali, Polyaluminium Chloride, Polyacrylamide, Polyaluminium Ferric Chloride ,Polymerization iron sulfate , potassium sulfateand Sodium Tripolyphosphate . And our products ... .iron(Fe) , %:0.002 MAX.moisture , %:0.20 MAX.Whiteness, %:86 MIN. ItemValueType IType IIGrade AGrade Asodium sulfate ... 0.100.25chloride content (in CL), %<0.250.60iron(Fe) content, %<0.00150.008moisture, %<0.100.30whiteness, ...