BREAKTHROUGH VOLUME OF MONOTERPENES ON TENAX TA - INFLUENCE OF TEMPERATURE AND CONCENTRATION FOR ALPHA-PINENE

被引：43

作者：

SIMON, V ^{[1
]}

RIBA, ML ^{[1
]}

WALDHART, A ^{[1
]}

TORRES, L ^{[1
]}

机构：

[1] ECOLE NATL SUPER CHIM,CHIM ENERGIE & ENVIRONM LAB,F-31077 TOULOUSE,FRANCE

来源：

JOURNAL OF CHROMATOGRAPHY A | 1995年 / 704卷 / 02期

关键词：

D O I：

10.1016/0021-9673(95)00213-7

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

The breakthrough volumes (BTV) of several monoterpenes (alpha- and beta-pinene, myrcene, sabinene, Delta(3)-carene and limonene) on Tenax TA were determined at very low mixing ratios (0.2-30 ppb, v/v). alpha-Pinene, which exhibits the lowest BTV of all the terpenes studied (16.31 g(-1) at 24 degrees C for a mixing ratio of 3 ppb, v/v) was taken as a standard during the atmospheric sampling. A study of the influence of temperature and mixing ratio on its BTV was carried out. The influence of temperature is shown to follow a Van't Hoff-type law of the form log (BTV) = a + b/T, whereas the influence of the concentration follows Freundlich's adsorption isotherm, expressed as log (BTV) = log a + b log C.

引用

页码：465 / 471

页数：7

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