| ≥1 piece |
|
Name of index |
FCC-V
|
HG2928-1999
|
|
Content (as counted by Na2H2P2O7) ≥ %
|
93.0-100.5
|
95.0
|
|
Water Insoluble% ≤%
|
1.0
|
1.0
|
|
PH (1% aqueous solution)
|
-
|
3.5-4.5
|
|
Arsenic(As),ppm, ≤
|
3
|
3
|
|
Heavy Metals (as Pb),ppm, ≤
|
-
|
15
|
|
Fluoride(F),ppm, ≤
|
50
|
50
|
|
Pb ppm, ≤
|
2
|
-
|