Descripción
Na2S2O3·5H2O
M.W: 248,21 CAS: 10102-17-7 EC: 231-867-5
P: P102-P202
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- Appearance Colourless cryst.
- Assay 99.5 – 100.5%
- Iron (Fe) ≤ 0.0005%
- Substances insoluble in water (H2O) ≤ 0.005%
- Nitrogen (N) compounds ≤ 0.002%
- Reaction (pH) 6.0 – 7.5
- Chloride (Cl–) ≤ 0.01%
- Sulfates and Sulfites (SO4) ≤ 0.05%
- Sulfur (S) ≤ 0.0001%
- Lead (Pb) ≤ 0.0005%
- Calcium (Ca) ≤ 0.002%
- Potassium (K) ≤ 0.005%
- Magnesium (Mg) ≤ 0.001%
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