Sodium thiosulphate pentahydrate 99-101%, Puriss., meets analytical specification of BP, Ph. Eur., USP, Fluka™
:10102-17-7
:
:Na₂S₂O₃.5H₂O
:MFCD00149186
:248.19 g/mol
:12,08844
: Dec. (on heating)
:48 °C (dec.)
:1,73 g/cm³ (20 °C)
:Room Temperature
:231-867-5
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- Identity:complying
- Assay:99.0 - 101.0 %
- Assay (calculated on the anhydrous basis):99.0 - 100.5 %
- Loss on drying (vacuum, 16 h):32.0 - 37.0 %
- pH (10 %, 20°C):6.0 - 9.0
- Arsenic (As):Max. 0.0003 %
- Calcium (Ca):Max. 0.005 %
- Iron (Fe):Max. 0.001 %
- Heavy metals (as Pb):Max. 0.0005 %
- Chloride (Cl):Max. 0.05 %
- Sulfate and sulfite (as SO₄):Max. 0.2 %
- Sulfide (S):complying
- Appearance of the solution:complying
- Residual solvents:complying
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