乙醛不能和水恒沸的````沸点差都80度了...
不过乙醛可以与丁烷,乙醚,氯乙烯,1、3丁二烯共沸
但是乙醛和水真的不能共沸的,之前蒸馏过几次含乙醛的水溶液,20~100度间没有什么特殊沸点的物质
今天又回学校图书馆看了一眼
还是没有查到与水的共沸的信息查到了下面两个乙醛共沸物的信息
Butane温度-7.00含量84.00%
Ethylether温度20.50含量24.00%
另外查到了水与这么多东西的共沸信息
Acetic_acid
Acetonitrile
Acrolein
Allyl_alcohol
Allyl_chloride
Benzyl_alcohol
2-Butanol
tert.Butanol
Butyl-2-ethoxyethanol
Butyric_acid
Chloral
1-Chloro-2-propanol
Chlorobenzene
Cyclohexanol
Cyclohexylamine
Cyclopentanol
Diacetone_alcohol
Dibutyl_formal
1,2-Dichloroethane
Diethyl_ethanolamine
Diethylaminoethyl_amine
Diethylaminoethyl_amine
Diethylisopropanol_amine
Diisopropyl_amine
Dimethyl_acetal
2,6-Dimethyl_morpholine
1,3-Dimethylbutyl_amine
1,4-Dioxane
1,3-Dioxolane
Ethanol
1-Ethoxy-2-propanol
2-Ethoxy_ethanol
Ethyl_ether
Ethyl_morpholine
Ethylene_chlorohydrin
Ethylene_diamine
Formic_acid
Glycol_diacetate
Hexyl_amine
Hydrogen_bromide
Hydrogen_chloride
Hydrogen_fluoride
Hydrogen_iodide
Hydrogen_nitrate
Isoamyl_alcohol
Isopropyl_alcohol
Isoveralaldehyde
1-Methoxy-2-propanol
2-Methoxy_ethanol
4-Methyl-2-pentanone
2-Methyl-2-propanol
ethyl_acetate
n-Methyl_morpholine
Methylal
n-Methylbutyl_amine
Methylethyl_ketone
Methylvinyl_ketone
gamma-Picoline
Propanol
Propionaldehyde
Propionic_acid
Propyl_acetate
Propylene_chlorohydrin
Pyridine
Triethyl_amine
而就是没有乙醛的```相信应该是真的没有吧`