|
Specifications
|
Industrial Grade
|
Food Grade
|
|
Main Content (Na5P3O10) % ≥
|
90
|
90
|
|
Phosphorous Pentoxide (P2O5) % ≥
|
57
|
57.5
|
|
Water Insoluble % ≤
|
0.10
|
0.05
|
|
Iron (Fe) % ≤
|
0.007
|
0.007
|
|
PH of (1% water solution)
|
9.2-10.0
|
9.5-10.0
|
|
Heavy metals (as Pb) % ≤
|
---
|
0.001
|
|
Arsenic (as As) % ≤
|
---
|
0.0003
|
|
Fluoride (as F) % ≤
|
---
|
0.003
|
|
Particle Size % ≥
|
95
|
95
|
|
Whiteness % ≥
|
90
|
90
|

