: : : : : : : : : : CITRIC ACID ANHYDROUS : : : : : : : : : :
Description: Colorless or white crystalline powder.
Application: Citric acid is mainly used as an acidulant, flavorant and preservative preservative in foods and beverages. It is also used as an antioxidant, plasticizer and detergent, builder.
Ordinary characteristic: Molecular formula: C6H8O7 molecular weight: 192.1
Package: The packing of our citric acid anhydrous includes 25kg net bag, 50pound net bag, 500kg net bag, 1000kg net bag with pallet.
Storage: Kept in a light-proof, well-closed, dry
and cool place.
Quality specifications: BP98, USP24,
enterprise standard ect..
Quality Standard of Citric-Acid Anhydrous
Item |
Unit |
Enterprise standard |
BP2008 |
USP31 |
FCC6 |
E330 |
GB 1987－2007 |
Appearance |
|
colorless crystal or white crystalline powder |
Identification |
|
Conforming with the test |
Clarity (405nm light transmission) |
% |
≥98.0 |
Confor-ming with the test |
Confor-ming with the test |
Confor-ming with the test |
Confor-ming with the test |
≥96.0 |
Assay |
% |
99.5-100.5 |
99.5-100.5 |
99.5-100.5 |
99.5-100.5 |
≥99.5 |
99.5-100.5 |
Moisture |
% |
≤0.15 |
≤1.0 |
≤1.0 |
≤0.5 |
≤0.5 |
≤0.5 |
RCS |
|
(1g+10ml) ≤1.40B·U |
Not beyond the standard |
Not beyond the standard |
Not beyond the standard |
Not beyond the standard |
≤1.0 (Not beyond the standard) |
Calcium salt |
ppm |
≤10 |
／ |
／ |
／ |
／ |
≤200 |
Iron salt |
ppm |
≤1 |
／ |
／ |
／ |
／ |
≤5 |
Chlorides |
ppm |
≤5 |
／ |
／ |
／ |
／ |
≤50 |
Sulphates |
ppm |
≤20 |
≤150 |
≤150 |
／ |
／ |
≤100 |
Oxalates |
ppm |
≤20 |
≤360 |
≤360 |
≤100 |
≤100 |
≤100 |
Heavy metal |
ppm |
≤1 |
≤10 |
≤10 |
／ |
≤5 |
／ |
Lead |
ppm |
≤0.5 |
／ |
／ |
≤0.5 |
≤1 |
≤0.5 |
Arsenic |
ppm |
≤0.2 |
／ |
／ |
／ |
≤1 |
≤1 |
Aluminium |
ppm |
≤0.2 |
≤0.2 |
≤0.2 |
／ |
／ |
／ |
Mercury |
ppm |
≤0.1 |
／ |
／ |
／ |
≤1 |
／ |
Sulphate ash |
% |
≤0.03 |
≤0.1 |
≤0.1 |
≤0.05 |
≤0.05 |
≤0.05 |
Insol. in water |
|
Meet the specification |
／ |
／ |
／ |
／ |
Meet the specification |
Bacterial endotoxin |
IU/mg |
≤0.5 |
≤0.5 |
／ |
／ |
／ |
／ |
Tridodecylamine |
ppm |
≤0.1 |
／ |
／ |
≤0.1 |
／ |
／ |
Whiteness |
% |
≥82 |
／ |
／ |
／ |
／ |
／ |
Granularity |
|
upon clients' requests |
／ |
／ |
／ |
／ |
／ |
Dialyzable Test:
 |
 |
 |
 |
| YIXING-UNION |
DOMESTIC A |
DOMESTIC B |
DOMESTIC C |
|
