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wanghuisong

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[求助] 如何提纯ALCL3? 已有1人参与

本人做实验需要用到三氯化铝(高纯),但不知道如何提纯,希望虫友可以详细告知提纯所用仪器,原理,操作步骤,越详细越好!
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唯以不永伤

铁杆木虫 (著名写手)

【答案】应助回帖

★
感谢参与,应助指数 +1
冰点降温: 金币+1, 谢谢回帖交流,欢迎常来无机物化板块。 2016-02-16 14:02:49
参考文献:W. L. F. Armarego and C. L. L. Chai, Purification of laboratory chemicals, Butterworth Heinemann, 2009. P446

Aluminium chloride (anhydrous)  [7446-70-0]
M 133.3, m 192.6o, d 17 4 2.465.
Sublime it several times in an all-glass system under nitrogen at 30-50mm pressure. It has also been sublimed in a stream of dry HCl and has been subjected to a preliminary sublimation through a section of granular aluminium metal [for manipulative details see Jensen J Am Chem Soc 79 1226 1957]. It fumes in moist air.
为了强大的内心!
2楼2016-02-15 18:50:38
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wanghuisong

金虫 (初入文坛)

引用回帖:
2楼: Originally posted by 唯以不永伤 at 2016-02-15 18:50:38
参考文献:W. L. F. Armarego and C. L. L. Chai, Purification of laboratory chemicals, Butterworth Heinemann, 2009. P446

Aluminium chloride (anhydrous)   
M 133.3, m 192.6o, d 17 4 2.465.
Sublim ...

jacs上只说了一点过滤方法  不是很详细啊  如何人能制出超纯的ALCL3呢?
3楼2016-02-16 19:04:33
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唯以不永伤

铁杆木虫 (著名写手)

【答案】应助回帖

引用回帖:
3楼: Originally posted by wanghuisong at 2016-02-16 19:04:33
jacs上只说了一点过滤方法  不是很详细啊  如何人能制出超纯的ALCL3呢?...

在手套箱中,多次升华提纯。
能买就直接买吧,超纯无水的AlCl3在Aldrich有售
为了强大的内心!
4楼2016-02-16 21:10:36
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