ANALYSIS OF COAL LIQUIDS BY MASS-ANALYZED ION KINETIC-ENERGY SPECTROMETRY

被引：32

作者：

ZAKETT, D ^{[1
]}

SHADDOCK, VM ^{[1
]}

COOKS, RG ^{[1
]}

机构：

[1] PURDUE UNIV,DEPT CHEM,W LAFAYETTE,IN 47907

来源：

ANALYTICAL CHEMISTRY | 1979年 / 51卷 / 11期

关键词：

D O I：

10.1021/ac50047a054

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Particular nitrogen-containing compounds, in some cases individual isomers, can be identified in coal liquid samples by mass-analyzed ion kinetic energy spectrometry (MIKES). This is done directly, without prior treatment or fractionation of the sample. Isobutane chemical ionization (CI) Is employed to give an approximate molecular weight profile of the coal liquid. Nitrogen-containing ions are recognized by their enhanced tendency for charge stripping as evident in E/2 mass spectra or by using ammonia as the CI reagent. In selected cases, comparison with authentic compounds has been used to verify the MIKES identifications. © 1979, American Chemical Society. All rights reserved.

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页码：1849 / 1852

页数：4

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