|
Items |
Specification | |
|
Tech Grade |
Food Grade | |
|
Color |
30Max |
20Max |
|
h3po4% |
85Min |
85Min |
|
Arsentic(AS) % |
0.005Max |
0.00005Max |
|
Chloride(Cl)% |
0.0005Max |
--- |
|
Heavy metals（pb）% |
--- |
0.0005Max |
|
Sulphate(SO4) % |
0.005Max |
--- |
|
Oxidable(h3po3)% |
0.012Max |
0.012Max |
|
Iron (FE) % |
0.002Max |
--- |
|
Fluoride(f)% |
--- |
0.001Max |