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Sodium thiosulphate pentahydrate ≥98.5%, pure , pH 6.0 - 7.5 (100 g/l, H₂O, 20 °C), SAFC®
 :  MERCK PRODUCTION CHEMICALS
 
Sodium thiosulphate pentahydrate ≥98.5%, pure , pH 6.0 - 7.5 (100 g/l, H₂O, 20 °C), SAFC®
 :  MERCK PRODUCTION CHEMICALS

 

  • Assay (iodometric):
    ≥ 98.5 %
  • Identity:
    passes test
  • pH-value (10 %; water):
    6.0 - 9.0
  • Sulfate and sulphite (as SO₄):
    ≤ 0.6 %
  • Ca (Calcium) and Mg (Magnesium):
    ≤ 0.2 %
  • Fe (Iron):
    ≤ 0.005 %
  • Water:
    32.0 - 38.0 %

 

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Sodium thiosulphate pentahydrate ≥98%, purified

 : VWR Chemicals