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【Longtaitou Festival】乘龙而上,鸿运当头
【International Working Women's Day】Pay tribute to women in the new era
【Lantern Festival】A night of family reunion, sharing the beauty of this moment together
Good luck for the beginning of work year
【Spring Festival】Happy Chinese New Year!
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化工作业中常见的有机溶剂
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实验室常用有机溶剂密度、沸点、水溶性汇总
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有机溶剂(正己烷)
正己烷,是己烷主要异构体之一,常温下为微有异臭的液体,易挥发,几乎不溶于水,易溶于三氯甲烷、乙醚和乙醇。商品正己烷常含有一定量的苯和其他烃类。主要接触机会正己烷主要用作提取植物油与合成橡胶的溶剂、化验...
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实验室常用有机溶剂沸点一览表
常用有机溶剂沸点表名称沸点/oC名称沸点/oC甲胺-6.31,2-二氯乙烷(DCE)82.4二甲胺7.4乙二醇二甲醚(DME)85.2乙醚34.6三乙胺(TEA)89.6戊烷36.1水100二氯甲烷(DCM)39.8硝基甲烷101.2二硫化碳46.21,4-二氧六环101...
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常见有机溶剂极性、沸点、毒性表
强极性溶剂:甲醇>乙醇>异丙醇中等极性溶剂:乙氰>乙酸乙酯>氯仿>二氯甲烷>乙醚>甲苯非极性溶剂:环已烷,石油醚,已烷,戊烷常用溶剂的极性顺序:水(最大)>甲酰胺>乙腈>甲醇>乙醇>...
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