Page 1 # 15 # #4 #5 2002 # 8 H 1003-7713/2002/04-303

化 学物理 学报
第 巧 拴 第 4期
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非挥发性溶质对共沸物沸点的影响‘
孙仁义
孙 茜
(
河南大学化学化工学院,开封 4
7
5
0
01
) 〔
华东师范大学化学系 上海 2
0
0
0
6
2)
摘 要: 测定了1
0种非挥发性溶质对甲醇 一四氢吠喃共沸物沸点的影响.
发现与共沸物平衡的气相组成
因非挥发性溶质不同发生了不同的变化,
但所有非挥发性溶质都引起共沸物沸点升高。运用热力学原理对
实验结果进行了讨论.
理论分析及对分析结果的实验检验表明,
少量非挥发性溶质总引起共沸物沸点升高是
一个具有普遍意义的结论.
关键词: 甲醇;四氢吠喃;非挥发性溶质;共沸物;沸点
中图分类号 064
5.
1
6
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A
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