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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 |
|
|
| Conforimingwith 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 beyondstandard | Not beyondstandard | Not beyondstandard |
citric acid monohydrate