| ≥1 piece |
QS of Citric acid monohydrate
|
Item |
Unit |
BP98 |
E330 |
USP24 |
FCC IV |
|
Appearance |
|
C olorless crystal or white crystalline powder |
|||
|
Clarity & C olor |
|
21%Aq. solution clear |
|||
|
Assay |
% |
99.5-101.0 |
99.5-100.5 |
||
|
Moisture |
% |
7.5-9.0 |
≤ 8.8 |
≤ 8.8 |
≤ 8.8 |
|
Calcium salt |
ppm |
≤ 200 |
|
|
|
|
Ferric salt |
ppm |
≤ 50 |
≤ 10 |
|
|
|
As |
ppm |
|
≤ 1 |
≤ 3 |
≤ 3 |
|
mercury |
ppm |
|
≤ 1 |
|
|
|
Heavy metals |
ppm |
≤ 10 |
≤ 5 |
≤ 5 |
≤ 5 |
|
Oxalate |
ppm |
≤ 100 |
≤ 100 |
|
|
|
Chloride |
ppm |
≤ 50 |
|
|
|
|
Sulfate |
ppm |
≤ 150 |
|
|
|
|
Readily carbonizable S ubstance |
|
l ighter than standard |
|||
|
vitriol ash |
% |
≤ 0.1 |
≤ 0.05 |
≤ 0.05 |
≤ 0.05 |
|
Trilaury l amine |
% |
|
|
|
≤ 0.1 |
|
Pb |
ppm |
|
≤ 1 |
|
≤ 0.5 |
|
Al |
ppm |
≤ 0.2 |
|
|
|
|
B acterial endotoxin |
IU/mg |
≤ 0.5 |
|
|
|