CHARACTERIZATION OF POLYIMIDE SORBENTS BY USING TRACER PULSE CHROMATOGRAPHY

被引：7

作者：

COOPER, SD ^{[1
]}

PELLIZZARI, ED ^{[1
]}

机构：

[1] RES TRIANGLE INST,POB 12194,RES TRIANGLE PK,NC 27709

来源：

JOURNAL OF CHROMATOGRAPHY | 1990年 / 498卷 / 01期

关键词：

D O I：

10.1016/S0021-9673(01)84234-5

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A modification of tracer pulse chromatography was used to rapidly evaluate four novel polyimide sorbents for use in air sampling. This technique utilized probe molecules with different functional groups to evaluate the surface retention characteristics when the sorbents were highly loaded by these chemicals and humidity. The evaluation of the sorbents indicated the polymer subunits of each must have multiple sorption sites which is consistent with their chemical makeup. Some comparisons between the polyimides and Tenax-GC were made. © 1990.

引用

页码：41 / 53

页数：13

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