Sodium sulfite anhydrous, Ph Eur,BP,NF,E 221

969.153

  • CAS number
    7757-83-7
  • Molecular weight (g/mol)
    126.04
  • Empirical formula
    Na₂SO₃
SODIUM SULFITE ANHYDROUS, PH.EUR, BP, NF, E 221
  • Sodium sulfite anhydrous, Ph Eur,BP,NF,E 221

  • Catalog number
    969.153.1000
  • Packaging type
    Plastik Şişe
  • Package quantity
    1KG
  • Quality grade
    PH EUR, BP, NF, E 221
  • Quantity
    ≥ 98.0% (Na2SO3) ≥ 49.8% (SO4)
  • Heavy metals (as Pb)
    ≤ 0.001 %
  • As (arsenic)
    ≤ 0.0001 %
  • Fe (iron)
    ≤ 0.001 %
  • Hg (mercury)
    ≤ 0.00001 %
  • Pb (lead)
    ≤ 0.0001 %
  • Se (selenium)
    ≤ 0.0001 %
  • Zn (zinc)
    ≤ 0.0001 %
  • Appearance of solution
    passes test
  • Arsenic (As)
    ≤ 0.0001 %
  • Assay (Na₂SO₃)
    ≥ 98.0%
  • Assay (SO₂)
    ≥ 49,8.%
  • Chloride (Cl⁻)
    ≤0.02 %
  • Fe (iron)
    ≤ 0.001 %
  • Heavy metals (as Pb)
    ≤0.001 %
  • Hg (Mercury)
    ≤ 0.00001 %
  • Identity
    passes test
  • Pb (Lead)
    ≤ 0.0001 %
  • Se (Selenium)
    ≤ 0.0001 %
  • Thiosulfate (S₂O₃²⁻)
    ≤ 0.1 %
  • Zinc (Zn)
    ≤ 0.0001 %
SODIUM SULFITE ANHYDROUS, PH.EUR, BP, NF, E 221

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