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提问人:网友sfj20082008
发布时间:2022-01-07
[主观题]
从碱水中分离季铵碱除了用正丁醇萃取外,还可以将碱水调到弱酸性,采用 法分离。
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查看官方参考答案
A、five two seven one nine seven three
B、five two eight one nine seven three
C、five two eight one six seven three
D、five two eight one nine six three
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