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Sodium metabisulfite ≥97.0-100.0% (by iodometry), EMPROVE® ESSENTIAL Ph. Eur., BP, JP, NF, E223, SAFC®
Corrosive
Irritant
Sodium metabisulfite ≥97.0-100.0% (by iodometry), EMPROVE® ESSENTIAL Ph. Eur., BP, JP, NF, E223, SAFC®
Supplier:  MilliporeSigma
Certificates
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Corrosive
Irritant
Sodium metabisulfite ≥97.0-100.0% (by iodometry), EMPROVE® ESSENTIAL Ph. Eur., BP, JP, NF, E223, SAFC®
Supplier:  MilliporeSigma
Certificates

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Specification Test Results

  • Assay (Iodometric):
    97.0 - 100.0%
  • Assay (Iodometric, SO₂):
    65.4 - 67.4%
  • Identity:
    Passes Test
  • Appearance of solution:
    Passes Test
  • pH-value (5%; water):
    3.5 - 5.0
  • Chloride (Cl):
    ≤0.01%
  • Heavy metals (as Pb):
    ≤0.001%
  • Thiosulfate (S₂O₃):
    ≤0.05%
  • As (Arsenic):
    ≤0.0002%
  • Fe (Iron):
    ≤0.0005%
  • Hg (Mercury):
    ≤0.0001%
  • Pb (Lead):
    ≤0.0002%
  • Se (Selenium):
    ≤0.0003%
  • Residual Solvents (Ph. Eur./USP/ICH):
    Excluded by the Manufacturing Process

Specification Test Results

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