Usage: Applied in industries of detergents as detergent auxiliary, paper production to bleach and electroplating; In food industry it is used as buffering agent, emulsifier, nutrition ingredients and quality improver.
Standard:
|
Item |
Unit |
Specification | |
|
Tech grade |
Food grade | ||
|
Main content： |
% |
96.5 min |
96.5 min |
|
Phosphorus pentoxide as P2O5: |
% |
51.5 min |
51.5 min |
|
Ortho phosphate: |
- |
Pass |
Pass |
|
Ph of 1% water solution: |
- |
9.9-10.7 |
9.9-10.7 |
|
Size(through 60mesh sieve): |
% |
90 min |
90 min |
|
Heavy metal as Pb: |
% |
-- |
0.001 max |
|
Arsenic as As: |
% |
-- |
0.0003 max |
|
Fluoride as F: |
% |
-- |
0.005 max |
|
Loss on ignition: |
% |
-- |
0.5 max |
|
Water insoluble: |
% |
0.2 max |
0.2 max |