|
Indexes
|
Industrial Grade
|
Food Grade
|
|
Na5P3O10%≥
|
94.0
|
94.0
|
|
P2 O 5 %≥
|
57.0
|
57.0
|
|
Water Insoluble Matter%≤
|
0.15
|
0.04
|
|
Iron(Fe) %≤
|
0.015
|
0.006
|
|
PH ＆#118alue (1% water solution)
|
9.2-10.0
|
9.5-10.0
|
|
Heavy Metal (as Pb) %≤
|
-
|
0.001
|
|
Arsenic (As) %≤
|
-
|
0.0003
|
|
Fluoride (F) %≤
|
-
|
0.003
|
|
Whiteness %≥
|
92
|
92
|
|
density (g/cm3)
|
0.35-0.9
|
0.35-0.9
|
|
Phase I
|
10-30
|
10-30
|
