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质量隙透法测定三种偏苯三酸酯的极低蒸汽压 被引量:2

Measurement of Very Low Vapor Pressures of Three Plasticizers by Mass Effusion Method
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摘要 用质量隙透法测定了偏苯三酸 -三 -(2 -乙基己 )酯、偏苯三酸三异辛酯和偏苯三酸三异壬酯三种苯多酸酯增塑剂在 5 0~ 10 0℃内的蒸汽压数据 ,并回归出了三种物质的Antoine方程。测定装置以正十六烷和 1-十八烯作标准物质进行了校验 ,测定系统误差约为 5 % The vapor pressures of three plasticizers including tri 2 ethylexyltrimellitate,tri isooctyltrimellitate and tri isononanyltrimellitate were measured with Kundsen mass effusion method at temperatures from 50 ℃ to 100 ℃, and correlated by Antoine equation. The experimental apparatus was checked with the very low vapor pressures of n hexadecane and 1 octadecene. The measurement error of the system is about 5%. [
出处 《石油化工》 CAS CSCD 北大核心 2000年第12期939-941,共3页 Petrochemical Technology
关键词 增塑剂 极低蒸汽压 偏苯三酸酯 质量隙透法 plasticizer very low vapor pressures physical property measurement Kundsen effusion(
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  • 1衣守志,化工学报,1994年,102卷,1页 被引量:1

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