SMBS

• Product NameSMBS
  CAS No.7681-57-4
  Purity96%,97%
  Min Quantity1Metric Tons
  Price330~350
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  Molecular Structure

Detailed Description

Testing Standard: GB1893-2008
Testing Items Index
Purity (Na2S2O5) % 96.5 97.1
Sulfur Dioxide (SO2)% 65 65.3
Arsenic (As) % 0.0002 0.0001
Heavy Metals(Pb)% 0.0005 0.00035
Iron (Fe) % 0.003 0.001
Water Insolube Matter % 0.05 0.03
PH value(50g/L solution) 4.0-4.8 4.3

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• SMBS