|
Appearance |
white powderor granular |
|
Ca |
20% Min |
|
Content of P |
18% Min |
|
F |
0.18% Max |
|
As |
30ppm Max |
|
Heavy metal(Pb) |
30ppm Max |
|
Cadmium |
0.001% Max |
|
size |
(Passing 40 mesh) 95% Min |