7647-14-5 Sodium Chloride Raw salt
molecular formula: NaCl
CAS: 7647-14-5
Appearance:white crystal
Properties:
Sodium chloride, colorless cubic crystalline or white crystalline.
Use:
Used to make injection, manufacturing soda ash and caustic soda and other chemical products, mineral smelting. The food industry and fishery for salt bloats, also can be used as seasoning materials and refined salt.
Test item |
Specification |
|
|
Reagent grade |
Pharmaceutical grade |
Appearance |
Conform |
Conform |
Assay (NaCl) /% |
99.5 |
99.5 |
PH |
- |
Conform |
Clarify degrees test |
Conform |
Conform |
Aqueous reaction |
Conform |
- |
Br /% |
- |
≤0.01 |
Phosphate (PO4) /% |
≤0.001 |
≤0.0025 |
Sulfate(SO4) /% |
≤0.002 |
≤0.002 |
Nitrite (NO2) /% |
- |
Conform |
Arsenic (As) /% |
≤0.00005 |
≤0.00004 |
Iodine (I) /% |
≤0.002 |
Conform |
Calcium (Ca) /% |
≤0.005 |
Conform |
Aluminum (Al) /% |
- |
≤0.00002 |
Iron (Fe) /% |
≤0.0002 |
≤0.0003 |
Potassium (K) /% |
≤0.02 |
0.02 |
magnesium (Mg) /% |
≤0.002 |
≤0.001 |
Barium(Ba) /% |
≤0.001 |
Conform |
Magnesium and alkali /% |
- |
- |
Heavy metal (Pb) /% |
≤0.0005 |
≤0.0002 |
Nitrogen compounds (N) /% |
≤0.001 |
- |
Dry weightlessness /% |
≤0.5 |
≤0.5 |
Ferrous cyanide /% |
≤0.0001 |
Conform |
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