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Sodium thiosulphate pentahydrate 99.5-100.5%, AnalaR NORMAPUR® ACS analytical reagent
Sodium thiosulphate pentahydrate 99.5-100.5%, AnalaR NORMAPUR® ACS analytical reagent
Supplier:  VWR Chemicals
Certificatesundefined
Sodium thiosulphate pentahydrate 99.5-100.5%, AnalaR NORMAPUR® ACS analytical reagent
Supplier:  VWR Chemicals
Certificates

Specification Test Results

  • Assay:
    99.5 - 100.5 %
  • pH (25°C; 5 %):
    6.0 - 8.4
  • Insolubility in water:
    Max. 50 ppm
  • Total N (Nitrogen):
    Max. 20 ppm
  • Cl (Chloride):
    Max. 80 ppm
  • S (Sulphide):
    Max. 1 ppm
  • SO4 + SO3 (as SO4):
    Max. 0.1 %
  • Ca (Calcium):
    Max. 20 ppm
  • Cu (Copper):
    Max. 5 ppm
  • Fe (Iron):
    Max. 5 ppm
  • K (Potassium):
    Max. 50 ppm
  • Mg (Magnesium):
    Max. 10 ppm
  • Pb (Lead):
    Max. 5 ppm
  • Conforms to ACS:
    Passes test

Specification Test Results