Formats des paquets (2)
Données techniques
- Melting Point:
- 48 °C
- Solubility:
- water 680 g/l at 20 °C
- Physical Description:
- solid
- Product Code:
- 131721
- Product Name:
- Sodium Thiosulfate 5-hydrate (Reag. USP) for analysis, ACS
- Quality Name:
- for analysis, ACS
- Specifications:
- Assay (Iodom.): 99.5-101.0%
pH of 5% solution: 6.0-8.4
Maximum limit of impurities
Insoluble matter in H2O: 0.005 %
Chloride (Cl): 0.02%
Nitrogen compounds (as N): 0.002%
Sulfide (S): 0.0001 %
Sulfate and sulfite (as SO4): 0.1%
Heavy metals (as Pb): 0.0005%
Ca: 0.002 %
Cd: 0.0005 %
Co: 0.0005 %
Cr: 0.0005 %
Cu: 0.0005 %
Fe: 0.0005 %
K: 0.005 %
Mg: 0.001 %
Mn: 0.0005 %
Ni: 0.0005 %
Pb: 0.0005 %
Zn: 0.0005 %
- WGK:
- 1
- Storage:
- Not recommended in areas with a very hot climate
- Master Name:
- Sodium Thiosulphate 5-hydrate
- EINECS:
- 231-867-5
- CS:
- 2832 30 00 00
