Appearance:Colorless or white crystalline particles or powder.
Executive Standard:GB1886.235-2016/BP/USP/FCC/E330
Packing :Plastic woven bag, paper plastic composite bag or three-layer kraft paper packaging, 25kg / bag; Polypropylene container bag, 500kg / bag or 1000kg / bag.
Storage:Store in a clean, cool, dry and ventilated place
Uses:It is mainly used in food and beverage industry as sour agent, seasoning agent, preservative and preservative. It is also used as antioxidant, plasticizer and detergent in chemical industry, cosmetics industry and washing industry.
Index | BP | USP | FCC | E 330 | GB 1886.235-2016 | Q-370725WYX 007-2019 |
Appearance | Colorless or white crystalline particles or powder, very soluble in water and ethanol | / | White or colorless white crystal or powder, divided into monohydrate and anhydrous citric acid monohydrate, which is weathered in dry air, odorless and extremely sour. 1g citric acid can be dissolved in 0.5ml water, 2ml ethanol and 30ml ether | / | Colorless or white, crystalline particles or powder, odorless, extremely sour taste, citric acid monohydrate is slightly weathered in dry air | Colorless or white, crystalline particles or powder, odorless, extremely sour taste, citric acid monohydrate is slightly weathered in dry air |
Identification test | Compliance test | |||||
Solution color & Clarity | Compliance test | Compliance test | / | / | / | Compliance test |
Content % | 99.5-100.5 | 99.5-100.5 | 99.5-100.5 | ≥99.5% | 99.5-100.5 | 99.5-100.5 |
Water % | 7.5-9.0 | 7.5-9.0 | ≤8.8 | ≤8.8 | 7.5-9.0 | 7.5-8.8 |
Carbonaceous compound | Shallower than standard | Shallower than standard | below 470nm,A≤0.52,T≥30% | Shallower than standard K | ≤1.0 | Shallower than standard or below 470nm,A≤0.52, T≥30% |
Sulfuric acid ash % | ≤0.1 | ≤0.1 | ≤0.05 | ≤0.05 | ≤0.05 | ≤0.05 |
sulfate ppm | ≤150 | ≤150 | / | / | ≤150 | ≤50 |
chloride ppm | / | / | / | / | ≤50 | ≤5 |
oxalate ppm | ≤360 | ≤360 | ≤100 | ≤100 | ≤100 | ≤50 |
Calcium salt ppm | / | / | / | / | ≤200 | / |
Al ppm | ≤0.2 | ≤0.2 | / | / | / | ≤0.2 |
As ppm | / | / | / | ≤1 | ≤1 | ≤0.1 |
Pt ppm | / | / | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.1 |
Hg ppm | / | / | / | ≤1 | / | ≤0.1 |
heavy metal ppm | / | / | / | / | / | ≤5 |
Bacterial endotoxin IU/mg | <0.5 | Compliance test | / | / | / | <0.5 |
Laurylamine mg/kg | / | / | ≤0.1(Citric acid extracted with organic solvent only) | / | / | / |