|
Specifications
|
Industrial Grade
|
Food Grade
|
|
Total phosphate, as P2O5%≥
|
68.0
|
68.0
|
|
Inactive phosphate, as P2O5%≤
|
7.5
|
7.5
|
|
Iron, as Fe %≤
|
0.05
|
0.05
|
|
Ph ＆#118alue (1% solution) %≤
|
5.8-7.3
|
5.8-6.5
|
|
Solubility
|
Qualified
|
Qualified
|
|
Heavy metals, as Pb %≤
|
|
0.001
|
|
Arsenic, as As%≤
|
|
0.0003
|
|
Fluoride as F%≤
|
|
0.003
|
|
Water insoluble %≤
|
0.05
|
0.06
|
