Appearance |
White, odourless, crystalline powder |
|
Index |
industrial grade |
food grade |
Total phosphate (in P2 O 5 plan) % MIN |
68.0 |
68.0 |
The activated phosphate (in P2 O 5 plan) % of MAX |
7.5 |
7.5 |
Iron (Fe to plan) % of MAX |
0.05 |
0.02 |
PH value |
5.8-7.3 |
5.8-6.5 |
solubility |
qualified |
-- |
Heavy metal (in Pb plan) % of MAX |
|
0.001 |
Arsenic (As with a plan) % of MAX |
|
0.0003 |
Water insoluble, % of MAX |
0.05 |
0.06 |
Polymerization degree |
9-21 |
-- |
Fineness (mesh) |
60-80 |
-- |
Post by John Stone Chemicals @2012-02-22 17:31:22