ascorbic acid

ascorbic acid發布自Victor Joy Industrial Ltd

出自: Victor Joy Industrial Ltd  2012/05/21
關鍵字 ascorbic acid, food additives,

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Quick Details CAS No.: 50-81-7 Other Names: Vitamin C; L-(+)-Ascorbic acid; VC...
MF: C6H8O6 EINECS No.: 200-066-2
Place of Origin: Shandong China (Mainland)
Type: Vitamins, Amino Acids and Coenzymes Grade Standard: Cosmetic Grade, Food Grade, Med... Usage: Animal Pharmaceuticals white: acicula Packaging & Delivery Packaging Detail: 25kgs/ctn Delivery Detail: within ten days Specifications ASCORBIC ACID ASCORBIC ACID  Analysis Contents Analysis Standard Analysis Results Characteristics  White or almost white crystals crystalline powder Pass Identification Positive reaction Positive Melting point  About 190°C 190.2°C PH 2.4-2.8 2.41 Clarity of solution  Clear Clear Colour of solution ≤BY7 ≤BY7 Copper  ≤5ppm ≤5ppm Heavy metals  ≤10ppm ≤10ppm Mercury ≤0.1mg/kg ≤0.1mg/kg Zinc ≤0.25ppm ≤0.25ppm Lead ≤2mg/kg ≤2mg/kg Arsenic ≤3ppm ≤3ppm Cadmium(Cd) ≤1mg/kg ≤1mg/kg Oxalic acid  ≤0.2%  0.2% Iron ≤2ppm ≤2ppm Loss of Drying ≤0.4%  ≤0.4% Residue On lgnition ≤0.1%  ≤0.1% Specific rotation   +20.5°- +21.5° +21.10° Mesh 40-80 Mesh Pass Origanic voltaic impurities Pass Pass Free of metal perticles Containing or not containing Not containing Assay 99.0%-100.5% 99.97% Conclusion : The above-mentioned product conforms to BP2008/USP31

關鍵字 ascorbic acid, food additives,