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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(yàn) | 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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