Sodium Disulfite Ph Eur,BP,JP,NF,E 223

969.073

  • Alternative name(s)
    Sodyum disülfit, Sodyum pirosülfit, Sodyum metabisülfit
  • CAS number
    7681-57-4
  • Molecular weight (g/mol)
    104.06
  • Empirical formula
    NaHSO3
SODIUM DISULFITE ≥ 98%, PH EUR, BP,JP,NF,E223
  • Sodium Disulfite Ph Eur,BP,JP,NF,E 223

  • Catalog number
    969.073.5000
  • Packaging type
    Plastik Şişe
  • Package quantity
    5KG
  • Quality grade
    PH EUR, BP, JP, NF, E223
  • Quantity
    ≥ 98.0 - 99.5 (Na2S2O5) ≥ 66.0 – 67.0 (SO2)
  • Heavy metals (as Pb)
    ≤ 0.001 %
  • pH
    4.0 - 4.5 (10% sol)
  • As (arsenic)
    ≤ 0.00005 
  • Chloride (Cl⁻)
    ≤ 0.005 
  • Fe (iron)
    ≤ 0.0005 
  • Hg (mercury)
    ≤ 0.00001 
  • Pb (lead)
    ≤ 0.00005 
  • Se (selenium)
    ≤ 0.00005 
  • Appearance of solution
    complying
  • As (Arsenic)
    ≤ 0.00005 
  • Assay (Na₂S₂O₅)
    ≥ 97.0
  • assay of sulfur dioxide
    ≥ 66.0 – 67.0
  • Chloride (Cl⁻)
    ≤ 0.005 
  • Copper (Cu)
    Max. 0.001 %
  • Fe (iron)
    Max. 5 ppm
  • heavy metals (as Ag)
    Max. 10 ppm
  • HPLC gradient transmission at 254 nm
    Max. 0,1 ppm
  • Identity
    passes test
  • Pb (Lead)
    Max. 0,5 ppm
  • pH (10% solution)
    4.0 - 4.5
  • Se (Selenium)
    Max. 0,5 ppm
  • Total nitrogen (N)
    ≤ 0.001 %
  • Zinc (Zn)
    Max. 0.001 %
SODIUM DISULFITE ≥ 98%, PH EUR, BP,JP,NF,E223

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