DETERMINATION OF VERY LOW VAPOR PRESSURES OF SEVEN ORGANIC COMPOUNDS

衣守志; 马沛生; 阮永嗣

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DETERMINATION OF VERY LOW VAPOR PRESSURES OF SEVEN ORGANIC COMPOUNDS

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- DETERMINATION OF VERY LOW VAPOR PRESSURES OF SEVEN ORGANIC COMPOUNDS
- CIESC Journal Issue 1, (1994)
- 作者机构：
  
  吉林化工学院化工系,天津大学化工系,天津大学化工系吉林 132022,天津 300072,天津,300072
- 作者简介：
- 基金信息：
- DOI：
  CLC： 621
- Online First：25 February 1994，
  
  Published：25 February 1994
- 稿件说明：
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衣守志, 马沛生, 阮永嗣. DETERMINATION OF VERY LOW VAPOR PRESSURES OF SEVEN ORGANIC COMPOUNDS[J]. CIESC Journal, 1994, (1).
DOI：

衣守志, 马沛生, 阮永嗣. DETERMINATION OF VERY LOW VAPOR PRESSURES OF SEVEN ORGANIC COMPOUNDS[J]. CIESC Journal, 1994, (1). DOI：

摘要

建立了一套用Knudsen质量损失隙透法的极微蒸气压数据测定装置

用正十六烷作为标准物对设备进行了校验。测定了正十八烷、1-十八烯、邻苯二甲酸二乙酯、对苯二甲酸二甲酯、二异丙基萘、邻苯二甲酸二环己酯和芘在298～373K的极微蒸气压数据。并给出了各自的Antoine系数。

Abstract

An experimental apparatus was established for determining very low vapor pressures by using the Knudsen weighing effusion method. The reliability of the apparatus was checked by measuring the low vapor pressures of n-hexadecane. Vapor pressures of 7 substances including n- octadecane

1-octadecene

diethylphthalate

dimethylterephthalate

di-isopropylnaphthalene

dicyclohexylphthalate and pyrene were determined at temperatures from 298 to 373 K and correlated by the Antoine equation.

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