Sodium thiosulphate pentahydrate 99.5-100.5%, AnalaR NORMAPUR® ACS analytical reagent

Supplier: VWR Chemicals
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27910.291EA 83.2 GBP
27910.291 27910.260 27910.460
Sodium thiosulphate pentahydrate 99.5-100.5%, AnalaR NORMAPUR® ACS analytical reagent
Sodium thiosulphate pentahydrate
Formula: Na₂S₂O₃.5H₂O
Melting Pt: 48 °C
Density: 1.67 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00149186
CAS Number: 10102-17-7
EINECS: 231-867-5
Merck Index: 12,08844

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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

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