| 几种有机物极微蒸汽压数据的测定 |
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| 引用本文： | 梁英华,马沛生.几种有机物极微蒸汽压数据的测定[J].高校化学工程学报,1996,10(3):320-322. |
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| 作者姓名： | 梁英华 马沛生 |
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| 作者单位： | 天津大学化学工程系 |
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| 摘 要： | 几种有机物极微蒸汽压数据的测定梁英华＊＊马沛生＊＊＊阮永嗣（天津大学化学工程系，天津３０００７２）关键词极微蒸汽压Ｋｎｕｄｓｅｎ隙透物性测量１前言纯物质的蒸汽压是重要的化工基础数据，其测定方法通常分为静态法、沸点法、流动法、Ｌａｎｇｍｉｕｒ法和Ｋｎ...
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| 关 键 词： | 极微蒸汽压 物性测量 有机物 |
Determination of Very Low Vapor Pressure of Five Organic Compounds |
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| Liang Yinghua\ \ Ma Peisheng\ \ Ruan Yongci.Determination of Very Low Vapor Pressure of Five Organic Compounds[J].Journal of Chemical Engineering of Chinese Universities,1996,10(3):320-322. |
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| Authors: | Liang Yinghua\ \ Ma Peisheng\ \ Ruan Yongci |
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| Abstract: | An experimental appartus was improved for determining very low vapor pressures by uising the Knudsen weighing effusion methed. The reliability of the apparatus was checked by measuring the low vapor pressures of n hexadecane and l octadecene. Vapor pressures of 5 substances including dinonyl phthalate, o dibutyl phthalate, dibutyl sebacate, dioctyl sebacate and Cd Hg were determined at temperatures from 298K to 373K and correlated by the Antoine equation. |
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| Keywords: | Very low vapor pressure Knudsen effusion Physical measurement |
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