Enhanced resolution of organic compounds from sediments by isotopic gas chromatography-combustion-mass spectrometry

Eric Lichtfouse; Katherine H. Freeman; James W. Collister; Dawn A. Merritt

doi:10.1016/0021-9673(91)85074-P

Enhanced resolution of organic compounds from sediments by isotopic gas chromatography-combustion-mass spectrometry

Eric Lichtfouse, Katherine H. Freeman, James W. Collister, Dawn A. Merritt

Geosciences

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

The resolution of organic compounds from sediments is increased by ¹³C/¹²C isotopic gas chromatography-combustion-mass spectrometry relative to gas chromatography with flame ionization detection. Impurities which elute close together with n-alkanes, phytane and a C₃₂ hopanoid acid methyl ester are resolved with a valley increase of up to 100%. This phenomenon is probably due to fractionation during gas chromatographic elution and enhanced detection monitoring of the isotopic composition of the carbon dioxide produced by the combustion of the eluting substances.

Original language	English (US)
Pages (from-to)	177-180
Number of pages	4
Journal	Journal of Chromatography A
Volume	585
Issue number	1
DOIs	https://doi.org/10.1016/0021-9673(91)85074-P
State	Published - Oct 25 1991

All Science Journal Classification (ASJC) codes

Analytical Chemistry
Biochemistry
Organic Chemistry

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title = "Enhanced resolution of organic compounds from sediments by isotopic gas chromatography-combustion-mass spectrometry",

abstract = "The resolution of organic compounds from sediments is increased by 13C/12C isotopic gas chromatography-combustion-mass spectrometry relative to gas chromatography with flame ionization detection. Impurities which elute close together with n-alkanes, phytane and a C32 hopanoid acid methyl ester are resolved with a valley increase of up to 100%. This phenomenon is probably due to fractionation during gas chromatographic elution and enhanced detection monitoring of the isotopic composition of the carbon dioxide produced by the combustion of the eluting substances.",

author = "Eric Lichtfouse and Freeman, {Katherine H.} and Collister, {James W.} and Merritt, {Dawn A.}",

note = "Funding Information: This work was supported by DOE Grant DE-FG0248ERl3978 to Professor J. M. Hayes, to whom we are grateful for helpful discussions. We also thank the French Petroleum Institute and the Colorado Geological Survey for the supply of sediments.",

year = "1991",

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doi = "10.1016/0021-9673(91)85074-P",

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T1 - Enhanced resolution of organic compounds from sediments by isotopic gas chromatography-combustion-mass spectrometry

AU - Lichtfouse, Eric

AU - Freeman, Katherine H.

AU - Collister, James W.

AU - Merritt, Dawn A.

N1 - Funding Information: This work was supported by DOE Grant DE-FG0248ERl3978 to Professor J. M. Hayes, to whom we are grateful for helpful discussions. We also thank the French Petroleum Institute and the Colorado Geological Survey for the supply of sediments.

PY - 1991/10/25

Y1 - 1991/10/25

N2 - The resolution of organic compounds from sediments is increased by 13C/12C isotopic gas chromatography-combustion-mass spectrometry relative to gas chromatography with flame ionization detection. Impurities which elute close together with n-alkanes, phytane and a C32 hopanoid acid methyl ester are resolved with a valley increase of up to 100%. This phenomenon is probably due to fractionation during gas chromatographic elution and enhanced detection monitoring of the isotopic composition of the carbon dioxide produced by the combustion of the eluting substances.

AB - The resolution of organic compounds from sediments is increased by 13C/12C isotopic gas chromatography-combustion-mass spectrometry relative to gas chromatography with flame ionization detection. Impurities which elute close together with n-alkanes, phytane and a C32 hopanoid acid methyl ester are resolved with a valley increase of up to 100%. This phenomenon is probably due to fractionation during gas chromatographic elution and enhanced detection monitoring of the isotopic composition of the carbon dioxide produced by the combustion of the eluting substances.

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Enhanced resolution of organic compounds from sediments by isotopic gas chromatography-combustion-mass spectrometry

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