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No
|
Specifications
|
Food Grade
|
1
|
Main contents %
|
96.5
|
2
|
P 2 O 5 %
|
51.5
|
3
|
Ortho-Phosphate
|
Qualified
|
4
|
PH of 1% water solution
|
9.9-10.7
|
5
|
Fineness(through 60 mesh)
|
90
|
6
|
Heavy metals, as Pb %
|
0.001
|
7
|
Arsenic, as As %
|
0.0003
|
8
|
Fluoride, as F %
|
0.005
|
9
|
Water insoluble %
|
0.2
|
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