Click image to view original image
|
Item |
Specifications |
||
|
Supper class |
First class |
Second class |
|
|
Na5P3O10, ≥ |
96 |
90 |
85 |
|
P2O5, % ≥ |
57.0 |
56.5 |
55.0 |
|
Water insoluble, % ≤ |
0.10 |
0.10 |
0.15 |
|
Iron (Fe), % ≤ |
0.007 |
0.015 |
0.030 |
|
pH (10g/l solution) |
9.2-10.0 |
||
|
Whiteness(W10), % ≤ |
90 |
85 |
80 |
|
Particle size (passing through 1.00mm Trv-sieve), % ≥ |
95.0 |
||
|
Appearance |
White granula or powder |
||
