|
|
Items |
Specification |
|
Color Klett |
<20 |
|
H3PO4
content% |
≥85 |
|
Chlorides content(Cl) |
≤0.0005 |
|
Sulfates content(SO4)% |
≤0.005 |
|
Heavy meatal (Pb)% |
≤0.001 |
|
Fe content% |
≤0.002 |
|
Arsenic content(As)% |
≤0.005 |