| ≥1 piece |
|
Item
|
FCC-IV
|
QB2554-2002
|
GB25585-2010
|
|
Content ≥ %
|
99.0
|
97.0
|
99.0
|
|
PH Value
|
Normal
|
-
|
|
|
Arsenic ≤%
|
0.0003
|
0.00005
|
0.0002
|
|
Heavy metals(As pb) ≤%
|
0.0005
|
0.0001
|
0.0005
|
|
Chlordes I or Br
|
Normal
|
-
|
|
|
Loss on drying ≤%
|
1
|
1
|
1.0
|
|
Sodium experiment
|
negative
|
-
|
-
|
|
white purity
|
-
|
80
|
-
|
|
NaCI ≤%
|
-
|
1.45
|
-
|
|
Water insolubles ≤%
|
-
|
0.05
|
-
|
|
Foreign matter soluble in water ≤%
|
-
|
0.5
|
-
|
|
Ammonium(As NH4 + )≤%
|
-
|
0.01
|
-
|