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·H2O molecular weight: 210.14
Package: The packing of our citric acid monohydrate 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 Monohydrate
|
Item |
unit |
Standard of Union Enterprise |
BP98 |
USP24 |
E330 |
GB/T-8269-1998A-class test |
|
Characters |
|
Colourless Crystal or White Crystal Powder |
|
Identification |
|
Conforiming with the test |
|
Clarity and Colourness |
|
Conforiming
with the test |
Conforiming
with the test |
Conforiming
with the test |
Conforiming
with the test |
Conforiming
with the test |
|
Content |
% |
99.5-100.5 |
99.5-101.0 |
99.5-100.5 |
99.5-100.5 |
99.5-100.5 |
|
Water |
% |
7.50-8.80 |
7.5-9.0 |
≤8.8 |
7.5-9.0 |
7.5-8.80 |
|
Ba |
|
Conforiming
with the test |
|
|
|
Conforiming
with the test |
|
Ca |
ppm |
≤10 |
|
|
|
≤200 |
|
Iron |
|
≤1 |
|
|
|
≤10 |
|
As |
ppm |
≤1 |
|
≤3 |
|
≤1 |
|
Heavy metals |
ppm |
≤1 |
≤10 |
≤10 |
≤10 |
≤5 |
|
Oxalic acid salt |
ppm |
≤50 |
≤350 |
Conforiming
with the test |
≤360 |
≤100 |
|
Cl |
ppm |
≤5 |
|
|
|
≤50 |
|
SO4 |
ppm |
≤20 |
≤150 |
Conforiming
with the test |
≤150 |
≤150 |
|
Lead |
ppm |
≤0.5 |
|
|
|
|
|
Al |
ppm |
≤0.2 |
≤0.2 |
|
≤0.2 |
|
|
Sulphuric acid ash content |
% |
≤0.03 |
≤0.1 |
≤0.05 |
≤0.1 |
≤0.1 |
|
RCS B.U. |
|
1g+10ml (≤1.40B.U.) |
Not beyond
standard |
Not beyond
standard |
Not beyond
standard |
Not beyond
standard |
|
Organic volatile impurities |
|
Conforiming
with the test |
|
Conforiming
with the test |
|
|
|
Bacterial endotoxins |
IU/mg |
|
≤0.5 |
|
≤0.5 |
| | 
