molecular formula: Na2SO4
CAS: 7757-82-6
Appearance:
White crystal
Properties:
Inorganic compounds, white, odourless, taste acrid crystallization or powder, has hygroscopic. The outline is colorless, transparent, big crystallization or granularity small crystallization.
Use:
Mainly used for making the sodium silicate, glass, ceramic glaze, pulp, refrigeration mixture, detergent, desiccant, dye diluent, analytical chemistry reagents, pharmaceuticals, etc.
Details:
Test item |
Specification |
Reagent grade |
Pharmaceutical grade |
Appearance |
Conform |
Conform |
Assay /% |
≥99.0 |
≥98.0 |
Clarify degrees test |
Conform |
Conform |
Water insoluble /% |
≤0.005 |
≤0.02 |
Calcination weightlessness /% |
≤0.2 |
≤0.5 |
Chloride (Cl)/% |
≤0.001 |
≤0.005 |
Phosphate (PO4)/% |
≤0.001 |
≤0.002 |
N/% |
≤0.0005 |
≤0.001 |
Calcium (Ca) /% |
≤0.002 |
≤0.005 |
Potassium (K)/% |
≤0.01 |
|
Ferric (Fe)/% |
≤0.0005 |
≤0.0015 |
Heavy metal (Pb)/% |
≤0.0005 |
≤0.001 |
We supply reagent grade pharmaceutical grade industrial grade. If you are interested in our products please contact me.