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sodium sulphate anhydrous ph 6-8
Item | GB6009-2003 Class I first quality | Actual measurement value of regular products | Actual measurement value of of neutral products | Actual measurement value of low-chlorine products |
sodium sulphate %(Na2SO4) | ≥99.0 | 99.20 | 99.30 | 99.65 |
water insolubles % | ≤0.05 | 0.02 | 0.03 | 0.01 |
Mg % | ≤0.15 | 0.02 | 0.02 | 0.02 |
chlorides %(Cl) | ≤0.35 | 0.19 | 0.20 | 0.04 |
iron %(Fe) | ≤0.002 | 0.001 | 0.001 | 0.001 |
moisture % | ≤0.20 | 0.02 | 0.02 | 0.02 |
whiteness % | ≥80 | 88 | 85 | 83 |
PH-value | not required | not required | (1% solution)7.5 | (5% |
sodium sulphate anhydrous ph 6-8