(FCC-V、GB-17203-1998,USP 32)
Name of index
FCC-V
GB-17203-1998
USP 32
Appearance
White Powder
White Crystalline Powder
Content %
97.5-100.5
98.0-100.5
As ≤%
-
0.0003
Fluoride ≤%
0.003
Acid-insoluble substance ≤ %
0.2
Pb ≤%
0.0002
0.001
Heavy Metals (as Pb) ≤ %
0.002
Loss on drying %
10.0-14.0
10.0-13.3
Clear grade
Accord with the test