|
Indexes
|
Industrial Grade |
Food Grade
|
|
Na5P3O10
|
94.0%Min
|
94.0%Min
|
|
P2 O 5
|
57.0%Min
|
57.0%Min
|
|
Water Insoluble Matter
|
0.15%Max
|
0.04%Max
|
|
Iron(Fe)
|
0.015%Max
|
0.006%Max
|
|
PH value (1% water solution)
|
9.2-10.0
|
9.5-10.0
|
|
Heavy Metal (as Pb)
|
|
0.001%Max
|
|
Arsenic (As)
|
|
0.0003%Max
|
|
Fluoride (F)
|
|
0.003%Max
|
|
Whiteness
|
92%Min
|
92%Min
|
|
Ignition loss
|
1.0
|
/
|
|
density (g/cm3)
|
0.35-0.9
|
0.35-0.9
|
|
Phase I
|
10-30
|
10-30
|
Packing:
In 25Kg or 50 Kg or 1000 Kg net WPP/PE bags.