| ≥1 piece |
|
Name of index |
GB3149-2004 |
|
Colority(NO.) |
≤20 |
|
Content (H 3 PO 4 )£?% |
≥85.0 |
|
Arsenic£¨As£?£?% |
≤0.00005 |
|
Heavy metal£¨As Pb£?£?% |
≤0.0005 |
|
Fluoride£¨F£?£?% |
≤0.001 |
|
Easy oxidated substance (As H 3 PO 3 )£? % |
≤0.012 |