Items | Specification | Results |
Appearance | White Crystal | White Crystal |
Total content % | ≥98 | ≥98 |
P2O5 content % | ≥60 | ≥60.8 |
N content % | ≥11 | ≥11.8 |
Moisture % | ≤0.2 | ≤0.2 |
Water insoluble matters % | ≤0.1 | ≤0.1 |
Heavy metal ( base on Pb ) % | -- | ≤0.001 |
As ( base on As ) % | -- | ≤0.0003 |
Fluoride ( base on F ) % | -- | ≤0.005 |