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Product name： Citric Acid Anhydrous
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Characters： Colorless or white crystalline powder.
Use： 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.
General Features： Molecular formula: C6H8O7 molecular weight: 192.1
Packaging： 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： BP98, USP24, enterprise standard ect..
Citric Acid AnhydrousStandard：
| Item | Standard of Yixing-Union | BP2009 | USP32 | FCC7 | E330 | JSFA8.0 | GB 1987－2007 |
| Characters | Colourless Crystal or White Crystal powder | ||||||
| Identification | pass test | ||||||
| Clarity and Color of solution | Pass test | Pass test | Pass test | / | / | / | / |
| Light transmittance | ≥98.0% | / | / | / | ／ | / | ≥96.0% |
| Water | ≤0.15% | ≤1.0% | ≤1.0% | ≤0.5% | ≤0.5% | ≤0.5% | ≤0.5% |
| Content | 99.5%～100.5% | 99.5%～100.5% | 99.5%～100.5% | 99.5%～100.5% | ≥99.5% | ≥99.5% | 99.5%～100.5% |
| RCS | ≤1.40B·U | Not exceeding the standard |
Not exceeding the standard |
A≤0.52,T≥30% | Not exceeding the standard |
Not exceeding the standard |
≤1.0 |
| Calcium | ≤0.001% | ／ | ／ | ／ | ／ | pass test | ≤0.02% |
| Iron | ≤1mg/kg | ／ | ／ | ／ | ／ | ／ | ≤5mg/kg |
| Chloride | ≤0.0005% | ／ | ／ | ／ | ／ | ／ | ≤0.005% |
| Sulphate | ≤0.002% | ≤150ppm | ≤0.015% | ／ | ／ | ≤0.048% | ≤0.01% |
| Oxalates | ≤0.002% | ≤360ppm | ≤0.036% | No turbidity forms | ≤100mg/kg | Pass test | ≤0.01% |
| Heavy metals | ≤0.0001% | ≤10ppm | ≤0.001% | ／ | ≤5mg/kg | ≤10mg/kg | ／ |
| Lead | ≤0.5mg/kg | ／ | ／ | ≤0.5mg/kg | ≤1mg/kg | / | ≤0.5mg/kg |
| Aluminium | ≤0.2mg/kg | ≤0.2ppm | ≤0.2ug/g | ／ | ／ | / | ／ |
| Arsenic | ≤0.2mg/kg | ／ | ／ | ／ | ≤1mg/kg | ≤4mg/kg | ≤1mg/kg |
| Mercury | ≤0.1mg/kg | ／ | ／ | ／ | ≤1mg/kg | / | ／ |
| Sulphuric acid ash content | ≤0.03% | ≤0.1% | ≤0.1% | ≤0.05% | ≤0.05% | ≤0.1% | ≤0.05% |
| water-insoluble | Pass test | ／ | ／ | ／ | ／ | / | Pass test |
| Bacterial endotoxins | ≤0.5IU/mg | ≤0.5IU/mg | Pass test | ／ | ／ | / | ／ |
| Tridodecylamine | ≤0.1mg/kg | ／ | ／ | ≤0.1mg/kg | ／ | / | ／ |
| polycyclic aromatic hydrocarbons (PAH) |
≤0.05（260-350nm） | ／ | ／ | ／ | ／ | ≤0.05（260-350nm） | ／ |
| isocitric acid | Pass test | ／ | ／ | ／ | ／ | Pass test | ／ |
Membrane Experiment：
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