No
Specifications
Industrial Grade
Food Grade

1
Main content %
94.0
94.0

2
P2O5 %
57.0
57.0

3
Water insoluble %
0.1
0.05

4
Iron, as Fe %
0.015
0.01

5
pH of 1% water solution
9.2-10.0
9.5-10.0

6
Heavy metal, as Pb %
-
0.001

7
Arsenic, as As %
-
0.0003

8
Fluoride ,as F %
-
0.003

9
Chloride, as Cl %
-
0.025