Certification: | CIQ, ISO |
---|---|
Type: | Sodium Hexametaphosphate |
Grade Standard: | Industrial Grade |
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Item |
Index |
|
First-class |
Qualified |
|
Total content of phosphate (calculated by P2O5),% ≥ |
68.0 |
65.0 |
Content of inactive phosphate (calculated by P2O5),% ≤ |
7.5 |
10.0 |
Water insoluble matter content,% ≤ |
0.04 |
0.10 |
Iron content (Fe) ,% ≤ |
0.03 |
0.10 |
pH value (10g/L) |
5.8-7.0 |
|
Solubility |
Qualified |
|
Appearance |
White powder, granula or flaky |