有毒乙醇，变性酒精：加入了有毒物质，例如丙醇或甲醇，这种乙醇无法再使用。
Ethyl alcohol to which a poisonous substance, such as acetone or methanol, has been added to make it unfit for consumption.
结果显示，选择合适的流动相，使用丙酮、乙醇或异丙醇为提取剂可以获得较好的提取效果。
The results showed that if appropriate mobile phase was chosen, the adoption of acetone, ethanol and isopropyl alcohol as organic agents for melamine extraction could also got good results.
结果显示，选择合适的流动相，使用丙酮、乙醇或异丙醇为提取剂可以获得较好的提取效果。
The results showed that if appropriate mobile phase was chosen, the adoption of acetone, ethanol and isopropyl alcohol as organic agents for melamine extraction could also got good results.
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