ITEM |
STANDARD |
Na5p3o10 % ≥ |
94.0 |
p2o5 % ≥ |
57.0 |
water-insoluble % ≤ |
0.1 |
fe % ≤ |
0.015 |
whiteness % ≥ |
88 |
ph(1% aqueous solution) |
9.2-10.0 |
ITEM |
STANDARD |
Na5p3o10 % ≥ |
94.0 |
p2o5 % ≥ |
57.0 |
water-insoluble % ≤ |
0.1 |
fe % ≤ |
0.015 |
whiteness % ≥ |
88 |
ph(1% aqueous solution) |
9.2-10.0 |