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lvlinjing

新虫 (初入文坛)

[求助] 1-己烯和正己烷在气相色谱上的分离问题

第一次用气相色谱,不是很熟悉,正己烷沸点69,1-己烯63,用的柱子是AE-PEG-20M,柱箱温度60,升温速率5度每分钟,保持时间5分钟,我做的体系有噻吩、1-己烯、二甲苯、正己烷,现在就正己烷和1-己烯分不开,是不是要换柱子呢?我查文献,和我做相似体系的用的都是非极性柱子

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wy19871124

新虫 (职业作家)

质谱首席顾问

★ ★
西湖醉鱼: 金币+2, 违规存档, 欢迎常来分析版交流 2016-11-23 16:22:50
用非极性柱子,尽量用厚膜柱子,非极性分不开,试试DB-624

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2楼2016-11-22 22:55:39
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lijianshu

铁虫 (初入文坛)

问一下噻吩和正己烷分开了吗?怎么分开的
3楼2017-07-25 15:30:56
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