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dada7455

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[求助] 材料制备中回流问题

想请教下大家,文献中制备完材料,有这样一句”After cooling down, black solid powder was collected by extraction, washed three times with D-Milli-Q water and methanol, and refluxed overnight in methanol. “  其中,” refluxed overnight in methanol“ 不太明白这步的作用和操作。回流过夜(在三口烧瓶中插上冷凝管?),不需要温度么?具体操作是什么样子的?谢谢大家了!
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Liuheng9527

木虫 (正式写手)

肯定要的,达到methanol的沸点即可,不然怎么回流嘛是不是

发自小木虫IOS客户端
我有一只小毛驴我从来都不骑
2楼2022-11-21 09:22:16
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dada7455

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3楼2022-11-21 09:34:51
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Liuheng9527

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引用回帖:
3楼: Originally posted by dada7455 at 2022-11-21 09:34:51
甲醇沸点是64.7℃ ,那我用65℃就可以了吧?非常感谢!...

嗯嗯 超过一点点就可以了
我有一只小毛驴我从来都不骑
4楼2022-11-21 16:53:32
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