L-抗坏血酸钠 Sodium L-ascorbate
Chinese name:L-抗坏血酸钠
其他中文名称:维生素C钠;VC钠盐;L(+)-苏糖型-2,3,4,5,6-五羟基-2-己烯酸-4-内酯钠;维他命C钠
English name: Sodium ascorbate Other English Name: L-Ascorbic acid sodium salt;Vitamine C sodium salt
Package:25kg/bag or box
CAS No:134-03-2
C6H7NaO6=198.11
检测项目 Items | 标准指标 Standards |
外观(Appearance) | 白色结晶或结晶性粉末 White or yellowish, crystalline powder or crystals |
鉴别 (Identification) | 显阳性Positive Reaction |
比旋度(Specific Optical Rotation) | +103° – +108° |
pH(10%水溶液,with 10% water solution) | 7.0-8.0 |
含量(Assay(C6H7NaO6)) | 99.0%-101.0% |
干燥失重(Loss of Drying) | ≤0.25% |
重金属(Heavy Metals)** | ≤20.0 mg/kg |
铅(Lead)** | ≤10.0 mg/kg |
砷(Arsenic) ** | ≤1.0 mg/kg |
溶剂残留(Residual Solvents)* | ≤3000 mg/kg |
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