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Ascorbic acid

分子式:C6H8O6

分子量:176.13

性狀:無色結(jié)晶或結(jié)晶性粉末。易溶于水,不溶于乙醚、苯。水溶液呈酸性反應(yīng)。為強(qiáng)還原劑。

含量(C6H8O6)不少于 99.7%
雜質(zhì)最高含量(指標(biāo)以%計)
PH值(50g/L,25°C) 7.0-9.0
澄清度實(shí)驗 合格
灼燒殘渣(以硫酸鹽計) 0.05
干燥失重 0.1
硫酸鹽(SO4) 0.002
氯化物(Cl) 0.005
重金屬(以Pb計) 0.001
鐵(Fe) 0.0002

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