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Chemical Name: Sodium Chloride
Formula: NaCl
Specification: AR
Property condition: Colourless crystal
Molecular weight: 58.44
Packing: 500g
|
ITEM OF ANALYSIS |
STANDARD |
|
Transparency of solution |
Qualified |
| Total nitrogen (N), % | ≤0.001 |
|
Sulphate (SO4), % |
≤0.002 |
|
Phosphate (PO4), % |
≤0.001 |
|
Bromide (Br), % |
≤0.01 |
|
Iodide (I), % |
≤0.002 |
|
Loss on drying, % |
≤0.5 |
|
Water-insoluble matter, % |
≤0.005 |
|
Heavy metals (as Pb), % |
≤0.0005 |
|
Magnesium (Mg), % |
≤0.002 |
|
Potassium (K), % |
≤0.02 |
| Calcium (Ca),% | ≤0.005 |
|
Iron (Fe), % |
≤0.0002 |
|
Barium (Ba), % |
≤0.001 |
|
Arsenic (As), % |
≤0.00005 |
|
pH value(50g/L，25℃) |
5.0~8.0 |
|
Ferrocyanide [as Fe(CN)6] |
≤0.0001 |
|
Assay, % |
≥99.5 |