Food Grade Trisodium Phosphate
Molecular formula:Na3PO4,Na3PO4.12H2O
Molecular Weight:Anhydrous:163.94,Dodecahydrate:379.94
Quality standards:
Name of index |
GB25565-2010 |
FCC-V |
E 339 (iii) |
Trisodium Phosphate Na3PO4 (on dried material) , ≥% |
97.0 |
97.0 |
97.0 |
Trisodium Phosphate Na3PO4·12 H2O (on the ignited basis ) ,≥% |
- |
- |
92.0 |
P2O5(on the anhydrous basis),% |
- |
- |
40.5-43.5 |
Identification |
- |
- |
Positive tests for sodium and for phosphate |
Heavy Metals ,≤% |
0.001 |
- |
- |
Water Insoluble , ≤% |
0.2 |
0.2 |
0.2 |
Arsenic (As) ,≤% |
0.0003 |
0.0003 |
0.0001 |
Fluoride (as F) ,≤% |
0.005 |
0.005 |
0.001 |
Pb ,≤% |
0.0004 |
0.0004 |
0.0001 |
Cadmium, ≤% |
- |
- |
0.0001 |
Mercury ,≤% |
- |
- |
0.0001 |
PH (1 % solution) |
11.5-12.5 |
- |
11.5-12.5 |
Loss on Drying Na3PO4 ,≤% |
2.0 |
2.0 |
2.0 |
Loss on Drying Na3PO4·12 H2O,% |
45.0-57.0 |
45.0-57.0 |
- |
Loss on Ignition Na3PO4 ,≤% |
- |
- |
2.0 |
Loss on Ignition Na3PO4·12 H2O, % |
- |
- |
45.0-58.0 |