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Sodium thiosulfate pentahydrate 99.5% for analysis
Sodium thiosulfate pentahydrate 99.5% for analysis
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Sodium thiosulfate pentahydrate 99.5% for analysis

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Specification Test Results

  • Appearance:
    Transparent white Crystals
  • Titration Iodimetric:
    99.5 to 101.0 %
  • pH:
    6.0 to 8.4 (5 % at 25°C)
  • Chloride (Cl):
    ≤200 ppm
  • SO4 and SO3 (as SO4):
    ≤0.1 %
  • Calcium (Ca):
    ≤20 ppm
  • Iron (Fe):
    ≤5 ppm
  • Potassium (K):
    ≤50 ppm
  • Sulfur (S):
    ≤1 ppm
  • Heavy metals (as Pb):
    ≤5 ppm
  • Insoluble matter:
    ≤0.005 % (in water)
  • Nitrogen compounds (as N):
    ≤0.002 %

Specification Test Results

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