| ≥1 piece |
citric acid monohydrate,citric acid
|
ITEM |
UNIT |
BP98 |
E330 |
USP24 |
FCC IV |
RESULT |
|
Characteristics |
|
Colorless |
Colorless |
Colorless |
Colorless |
Colorless |
|
or white |
or white |
or white |
or white |
or white |
||
|
crystal |
crystal |
crystal |
crystal |
crystal |
||
|
Identification test |
|
Pass test |
Pass test |
Pass test |
Pass test |
Pass test |
|
Clarity&colour of solution |
|
20%water |
20%water |
20%water |
20%water |
20%water |
|
solution |
solution |
solution |
solution |
solution |
||
|
clarity |
clarity |
clarity |
clarity |
clarity |
||
|
Assay |
% |
99.5-101.0 |
99.5-101.0 |
99.5-100.5 |
99.5-100.5 |
99.93 |
|
Moisture |
% |
7.5~9.0 |
≤8.8 |
≤8.8 |
|
8.5 |
|
Sulphated ash |
% |
≤0.1 |
≤0.05 |
≤0.05 |
≤0.05 |
0.035 |
|
Sulphate |
ppm |
≤150 |
Pass test |
Pass test |
<30 |
|
|
Oxalate |
ppm |
≤350 |
≤100 |
Pass test |
Pass test |
<20 |
|
Calcium |
ppm |
≤200 |
|
|
Pass test |
<10 |
|
Heavy metals |
ppm |
≤10 |
≤5 |
≤5 |
≤5 |
<1 |
|
Iron |
ppm |
≤50 |
|
|
|
<1 |
|
Chloride |
ppm |
≤50 |
|
|
|
<5 |
|
Readilyc arbureted substance |
|
standard |
standard |
standard |
standard |
less than |
|
colour |
colour |
colour |
colour |
standard |
||
|
barium |
|
Pass test |
|
|
|
Pass test |
|
Bacterial endotoxin |
IU/mg |
≤0.5 |
|
|
|
<0.5 |
|
Aluminium |
ppm |
≤0.2 |
|
|
|
<0.2 |
|
Arsenic |
ppm |
|
≤1 |
≤3 |
≤3 |
<0.1 |
|
Mercury |
ppm |
|
≤1 |
|
|
<0.1 |
|
Lead |
ppm |
|
≤1 |
|
≤0.5 |
≤0.5 |
|
Organic volatile impurity |
|
|
|
|
Pass test |
Pass test |
|
Tridodecylamine |
ppm |
|
|
≤0.1 |
<0.1 |
|
|
u.v. radiation absorption value |
|
|
|
|
Pass test |
Pass test |