Sodium thiosulphate, anhydrous ≥98%, GPR RECTAPUR®

Supplier: VWR Chemicals
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84852.230EA 57.6 GBP
84852.230 84852.290 84852.460
Sodium thiosulphate, anhydrous ≥98%, GPR RECTAPUR®
Sodium thiosulphate
Formula: Na₂S₂O₃
Boiling Pt: 100 °C (1013 hPa)
Melting Pt: 48 °C
Density: 1.66 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00003499
CAS Number: 7772-98-7
EINECS: 231-867-5
Merck Index: 12,08844

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Specification Test Results

Assay Min. 98 %
pH (20°C; 5 %) 6.0 - 8.5
S (Sulphide) Max. 50 ppm
Ca (Calcium) Max. 50 ppm
Cd (Cadmium) Max. 50 ppm
Co (Cobalt) Max. 50 ppm
Cu (Copper) Max. 50 ppm
Fe (Iron) Max. 50 ppm
K (Potassium) Max. 200 ppm
Ni (Nickel) Max. 50 ppm
Pb (Lead) Max. 50 ppm
Zn (Zinc) Max. 50 ppm

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