sodium sulphate 1.High quality with 99% min. purity. 2.High whiteness with 85 min. 3.Good quality with excellent service. Sodium Sulphate Anhydrous
[New standard]: GB/T6009-2003
[Product classification]: Industrial anhydrous sodium sulphate are classified into three types according to it use: Type I: Mainly used for synthesis of detergent and vinylon. Type II: Mainly used in industries such as dye, glass and paper. Type III: As industrial raw material for inorganic salts. 1.Appearance: the grade A products of both type I and type II should be white crystalline granules with no aggregation and no mechanical impurities. 2.Industrial anhydrous sodium sulphate should meet the following requirements:
| Item | Value | |
| Type I | Type II | |
| Grade A | Grade A | |
| sodium sulfate content, Na2SO4 %> | 99.1 | 98.3 |
| water insoluble substance %< | 0.04 | 0.08 |
| calcium and magnesium content (in Mg), %< | 0.10 | 0.25 |
| chloride content (in CL), %< | 0.25 | 0.60 |
| iron(Fe) content, %< | 0.0015 | 0.008 |
| moisture, %< | 0.10 | 0.30 |
| whiteness, % min | 86 | 80 |
Sodium Sulphate Anhydrous 99%
