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| Quality Standards of Citric Acid Monohydrate |
Item | Unit | BP 2013 | USP 36 | FCC 8 | E 330 | GB1987-2007 |
Characters |
White Crystalline Powders,Colorless Crystals or Granules | |||||
Identification |
Pass Test | |||||
Color & Clarity of Solution |
Pass Test |
Pass Test |
/ |
Pass Test |
/ | |
Assay | % | 99.5-100.5 | ||||
Water | % | 7.5-9.0 | 7.5-9.0 | ≤8.8 | 7.5-8.8 |
7.5-9.0 |
Light Transmittance |
% | / |
/ |
/ |
/ |
≥95 |
Calcium | ppm | / |
/ |
/ |
≤75 |
≤200 |
Iron | ppm | / | / |
/ | ≤5 |
≤5 |
Arsenic | ppm | / | / | / | ≤1 |
≤1 |
Mercury |
ppm |
/ |
/ |
/ |
≤1 |
/ |
Heavy Metals | ppm | ≤10 |
≤10 |
/ |
≤5 |
/ |
Oxalate | ppm | ≤360 | ≤360 |
Pass Test |
≤100 |
≤100 |
Chloride | ppm | / | / |
/ | / |
≤50 |
Sulphate | ppm | ≤150 | ≤150 | / |
≤150 |
≤150 |
Readily Carbonisable Substances | Not Darker than Standard |
Not Darker than Standard |
Pass Test |
Pass Test |
≤1.0 | |
Sulphated Ash | % | ≤0.1 | ≤0.1 | ≤0.05 | ≤0.05 |
≤0.05 |
Volatile Organic Impurities |
/ |
/ |
/ |
Pass Test |
/ | |
Tridodecylamine |
mg/kg |
/ |
/ |
≤0.1 |
/ |
/ |
Lead | ppm |
/ | / |
≤0.5 |
≤0.5 |
≤0.5 |
Aluminum | ppm |
≤0.2 | ≤0.2 |
/ |
/ |
/ |
Bacterial Endotoxins | IU/mg |
<0.5 | Pass Test |
/ |
/ |
/ |
Water Insoluble Substances |
/ |
/ |
/ |
/ |
Filtration time not more than 1 min; | |
Product Characters： | White Crystalline Powders, Colorless Crystals or Granules |
Executive Standards： | BP2013/USP36/FCC8/E330/GB1987-2007 |
Packaging： | 25kg net composite paper-plastic bags or 3-ply kraft paper bags with PE liner, 500kg or 1000kg net PP woven Jumbo bags |
Storage： | Kept in a light-proof, well-closed, dry and cool place |
Main Usage： | Citric Acid is mainly used as acidulant,flavoring agent, preservative and antistaling agent in food and beverage industry.it is also used as antioxidant,plasticizer and detergent in chemical,cosmetics and cleaning industries. |
