HELIUM-PURGED HOLLOW FIBER MEMBRANE MASS-SPECTROMETER INTERFACE FOR CONTINUOUS MEASUREMENT OF ORGANIC-COMPOUNDS IN WATER

被引：69

作者：

SLIVON, LE ^{[1
]}

BAUER, MR ^{[1
]}

HO, JS ^{[1
]}

BUDDE, WL ^{[1
]}

机构：

[1] US EPA,OFF RES & DEV,ENVIRONM MONITORING & SUPPORT LAB,CINCINNATI,OH 45268

来源：

ANALYTICAL CHEMISTRY | 1991年 / 63卷 / 13期

关键词：

D O I：

10.1021/ac00013a030

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A hollow fiber membrane flow cell interface for mass spectrometry is described. The interior of a silicone rubber hollow fiber membrane is continuously purged with helium while aqueous sample flows continuously over the exterior membrane surface. The helium purge improves permeant transport from the follow fiber interior to the ion source of the mass spectrometer, resulting in decreased response time and sub parts per billion sensitivity for selected volatile organic compounds in drinking water.

引用

页码：1335 / 1340

页数：6

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