Product Details

Product Description

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
Test item	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

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