COMPARISON OF THE NEGATIVE REACTANT IONS FORMED IN THE PLASMA CHROMATOGRAPH BY NITROGEN, AIR, AND SULFUR-HEXAFLUORIDE AS THE DRIFT GAS WITH AIR AS THE CARRIER GAS

被引:35
作者
CARR, TW
机构
[1] International Business Machines Corp. Dept., 350, Bidg. 310, Hopewell Junction
关键词
D O I
10.1021/ac50042a030
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The negative reactant ions formed in the plasma chromatograph with zero grade air are examined with nitrogen, air and SF6 as the drift gas. The O2- and O4- ions are observed in the mobility spectra of air carrier with both air and SF6 as the drift gas but not when N2 is used as the drift. The negative Ion mass spectra as well as the total ion and Individual mass-identified mobility spectra are shown for air with each of the three drift gases. © 1979, American Chemical Society. All rights reserved.
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页码:705 / 711
页数:7
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