Sodium thiosulphate pentahydrate 99.5% for analysis
Leverancier: Thermo Fisher Scientific
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CAS-nummer:10102-17-7
:
Formule:Na₂S₂O₃.5H₂O
MDL-nummer:MFCD00149186
:248.19 g/mol
Merck index:12,08844
Smelten Pt:48,5 °C
Dichtheid:1,72 g/cm³
Temperatuur bij opslag:Kamertemperatuur
EINECS:231-867-5
Specificatie testresultaten
- Appearance:Transparent white Crystals
- Titration Iodimetric:99.5 to 101.0 %
- pH:6.0 to 8.4 (5 % at 25°C)
- Chloride (Cl):≤200 ppm
- SO4 and SO3 (as SO4):≤0.1 %
- Calcium (Ca):≤20 ppm
- Iron (Fe):≤5 ppm
- Potassium (K):≤50 ppm
- Sulfur (S):≤1 ppm
- Heavy metals (as Pb):≤5 ppm
- Insoluble matter:≤0.005 % (in water)
- Nitrogen compounds (as N):≤0.002 %
Specificatie testresultaten
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