Name of index
|
BP93
|
BP98
|
FCC-4
|
Appearance
|
White or light yellow crystal or powder
|
White or light yellow crystal or powder
|
White or light yellow crystal or powder
|
Content(KC
6
H
5
O
7
) ≥%
|
99.0-101.0
|
99.0-101.0
|
99.5-100.5
|
Heavy metal(AsPb) ≤%
|
0.001
|
0.001
|
0.001
|
AS ≤%
|
0.0001
|
0.0001
|
-
|
Loss on drying%
|
11.0-13.0
|
11.0-13.0
|
10.0-13.0
|
Cl ≤%
|
0.005
|
0.005
|
-
|
Sulphate Salt≤%
|
0.015
|
0.015
|
-
|
Qxalate Salt≤%
|
0.03
|
0.03
|
-
|
Alkalinity%
|
0.2
|
Accord with the test
|
Accord with the test
|
Readily Carbonisable Substances
|
Accord with the test
|
Accord with the test
|
-
|
Transparenly and color of sample
|
-
|
Accord with the test
|
-
|
Pyrogens
|
-
|
Accord with the test
|
-
|