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维生素C

中文通用名 :维生素C/L-抗坏血酸
用 途 类 型 :维生素
规格 :BP/EP/USP/FCCVI 
HS Code :2936.2700.00
화학성질
结构式
CAS :50-81-7  
分子式 :C6H8O6
用途 :提高免疫力,预防癌症、心脏病、中风,保护牙齿和牙龈等。
기술매개 변수
Items Standard
Appearance A white or almost white, crystalline powder
Identification Positive
Melting Point 190℃
pH 2.4-2.8
Clarity of solution Clear
Color of solution ≤BY7
Loss on drying 0.4% Max.
Arsenic ≤3ppm
Lead ≤2ppm
Copper ≤5ppm
Heavy metals ≤10ppm
Iron ≤2ppm
Mercury ≤1ppm
Oxalic Acid ≤0.2%
Sulphate Ash(Residue on Ignition) ≤0.1%
Specific Optical Rotation +20.5°~+21.5°
Organic Volatile Impurities Pass
Assay 99.0% ~100.5%
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