white granular crystal or powder.
Item | GB6009-2003 I type First grade | Result of common product | Result of neutral product | Result of low chlorine product |
Na2SO4 | ≥99.0 | 99.20 | 99.30 | 99.65 |
Water insoluble matter % | ≤0.05 | 0.02 | 0.03 | 0.01 |
Ca & Mg %(Mg) | ≤0.15 | 0.02 | 0.02 | 0.02 |
Chloride %(Cl) | ≤0.35 | 0.19 | 0.20 | 0.04 |
(Fe) | ≤0.002 | 0.001 | 0.001 | 0.001 |
Moisture % | ≤0.20 | 0.02 | 0.02 | 0.02 |
Whiteness % | ≥80 | 88 | 85 | 83 |
PH | NA | NA | (1% solution)7.5 | (5% solution)7.2 |
Uses: used as filler of detergent, the making of sodium sulphide, water glass, or used in papermaking, glass, dye and used as filler, dyeing auxiliary, laxative, antidote, t also can be used in fiber, lether, metallurgy, enamel and soap.
Sodium sulphate anhydrous
