Project |
Corporate indicators (Q/PHS0023S-2014 ) |
Exterior | White to white powder |
Loss on drying(140℃) | 9.0-10.5% |
Content (in dry matter) | 99.0-102.0% |
chloride | ≤150ppm |
Residue on ignition | ≤0.1% |
Heavy metal | ≤20ppm |
PH value | 2.2-3.0 |