Product Name: Sodium Ascorbate "Type: Food Additives Origin: China CAS No.: 134-03-2 AUCO No.: 239 Packing: 25kg carton" Items Standard Characteristics White or yellowish crystalline powder Identification A:The infrared spectrum of the sample compares qualitatively to the infrared spectrum of the standard A:Identify B:Qualify B:The solution reduces alkaline cupric tartrate TS slowly at room temperature, but more readily upon heating "A solution(1 in 50) responds to the tests of Sodium " Specific Optical Rotation +103 °~ +108 ° PH(10% aqueous solution) 7.0-8.0 Loss on Drying 0.25% Heavy Metals 10ppm Arsenic 3ppm Lead 2ppm Assay 99.0%- 101.0% Organic Volatile Impurities Pass