Ascorbic Acid

Name of Product Specification ≥ 99 %L-Ascorbic Acid (Vitamin C)Batch No. SF090511-2Date of Manufacture Jan. 11, 2010Quantity 25kg/bag*200Date of Expiry July10, 2011 Date of Analysis Jan.12, 2010Test According to Standard of EnterpriseITEMSSTANDARDRESULTDescription White or almost white crystalline powder or colorless crystals White crystal powder Identification Test PositivePositiveClarity& Color of Solution ≤ BY7BY7Heavy Metals ≤ 10 ppm3 ppmCopper(Cu) ≤ 5 ppm5 ppmIron (Fe) ≤ 2 ppm2 ppmSulphate Ash ≤0.1 %0.03%Oxalic Acid ≤0.3 %0.21 %Loss on Drying ≤0.4 %0.4 %Melting Point Around 190190.5Specific Optical Rotation +20.5° +21.5°+21.07°Acidity pH 2.1-2.6pH 2.35Assay 99.0%-100.5%99.94%CONCLUSIONTHIS BATCH OF PRODUCT CONFORM TO THE STANDARD Analyzer: 006Check by: 011Lab Technician: 021 If you have any question about the result, please apply recheck in 15 days.