• 作者： Chiu, Rex Mao-Hsin; Chen, Bao-Dong; Chien, Wen-Nan
• 中文摘要： 本文以lnP/sub r/=A+B/T/sub r/作為非極性及輕微極性物質的蒸氣壓行為的模式。二個共聯參數接著以偏離因子及Parachor 組成的經驗多項式予以一般化。此項一般化處理方法應用于0.001- 2atm 範圍內的35 種物質所得總平均誤差為6.32%(395點) , 並優于Miller (7.73%), Thek-Stiel (7.45%) 及 Nath等人(6.72%)的方法。本法只須各物質的臨界壓力、臨 界溫度、偏離因子及Parachor , 因此可供作快速估算低範圍的蒸氣壓之用。
• 英文摘要： Vapor pressure behavior of nonpolar and slightly polar substances has been modeled according to the linear expression lnP/sub r/=A+B/T/sub r/. Two correlatable parameters are then generalized by the acentric factor and parachor combined empirically in a polynomial expansion. This generalized treatment has been applied to 35 chemicals in the 0.001-2atm region to yield an overall average deviation of 6.32% (395 points) and is superior to the methods of Miller (7.73%), Thek-Stiel (7.45%) and Nath et al. (6.72%). The proposed method requires a knowledge of only the critical pressure, critical temperature, acentric factor and parachor and is recommended for rapid estimation of liquid vapor pressures in the low range.
• 中文關鍵字： 液體蒸氣壓; 偏離因; 等張比容; 極性; 蒸氣壓行為; 臨界壓力; 臨界溫度
• 英文關鍵字： Liquid Vapor Pressure; Acentric Factor; Parachor; Polarity; Vapor Pressure Behavior; Critical Pressure; Critical Temperature