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happy02731

木虫 (小有名气)

邋遢大王

[求助] 三氯氧磷冷凝

各位童鞋们,谁用POCl3做过磷酸酯反应的?我自己在做实验过程中,POCl3过量很多,参考文献说每次都能通过蒸馏冷凝下来,我是做了好多次实验,都没发现有蒸馏冷凝下来过,各位童鞋们帮忙分析分析原因啊!!我买的是纯度99.9%的POCl3!
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happy02731

木虫 (小有名气)

邋遢大王

happy02731: 回帖置顶 2011-12-25 11:31:43
实验现象已解决, 高温回流现象不明显,抽真空现象就显现出来了
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