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Potassium Pyrosulfate 97.5% puriss. p.a.

378.20 $
art: ---
Potassium Pyrosulfate 97.5% puriss. p.a.
  • Potassium Pyrosulfate 97.5% puriss. p.a.

  • $ 378.20000000
 

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 Potassium pyrosulfate is used in analytical chemistry; samples are fused with potassium pyrosulfate, (or a mixture of potassium pyrosulfate and potassium fluoride) to ensure complete dissolution prior to a quantitative analysis.

Formula
K2O7S2
Molar mass
254.31 g/mol
CAS Number
7790-62-7
Density
2.28 g/mL at 25°C (77°F)
Purity/Grade
≥97.5%Reagent
Appearance
Solid
Flash point
not applicable
Water solubility
ca.25.4 g/l at 20°C (68°F)
Melting point/freezing point
Melting point/range: 325°C (617°F)
pH
1.0 - 2.0 at 25.5 g/l at 25°C (77°F)
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