描述
- MELTING POINT:
- 57 – 58 °C
- BOILING POINT:
- 196 – 197 °C
- SOLUBILITY:
- water 1,200 g/l at 20 °C
- PHYSICAL DESCRIPTION:
- solid
- SPECIFICATIONS:
- Minimum assay (Acidim.): 99.5%
Maximum limit of impurities
Insoluble matter in H2O: 0.003 %
Reducing substance to KMnO4: passes test
Darkened substances by H2SO4: passes test
Residue on ignition (as SO4): 0.03 %
Chloride (Cl): 0.001%
Phosphate (PO4): 0.0005 %
Sulfate (SO4): 0.02%
Nitrate (NO3): 0.002%
Heavy metals (as Pb): 0.002%
Cu: 0.002 %
Fe: 0.001 %
Ni: 0.002 %
Pb: 0.002 %
商品評價
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