Natriumtiosulfat pentahydrat ≥99.5%, Puriss. p.a. ACS, ISO, Reag. Ph. Eur., Fluka™
Leverantör: Honeywell Chemicals
Certifikat
Om denna produkt
CAS-nummer:10102-17-7
:
Formel:Na₂S₂O₃.5H₂O
MDL-nummer:MFCD00149186
:248.19 g/mol
Merck Index:12,08844
Kokande Pt: Dec. (on heating)
Smält Pt:48 °C (dec.)
Densitet:1,73 g/cm³ (20 °C)
Förvaringstemperatur:Omgivande
EINECS:231-867-5
Specifikationstestresultat
- Assay:Min. 99.5 %
- Water insoluble matter:Max. 0.005 %
- pH (5 %, 25 °C):6.0 - 7.5
- pH (10 %, 20°C):6.0 - 8.4
- Calcium (Ca):Max. 0.002 %
- Copper (Cu):Max. 0.0005 %
- Iron (Fe):Max. 0.0005 %
- Potassium (K):Max. 0.001 %
- Magnesium (Mg):Max. 0.001 %
- Lead (Pb):Max. 0.0005 %
- Chloride (Cl):Max. 0.01 %
- Sulfate and sulfite (as SO₄):Max. 0.1 %
- Sulfide (S):Max. 0.0001 %
- Total N:Max. 0.002 %
- Appearance of the solution:complying