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Title: Isotope dilution study of exchangeable oxygen in premium coal samples

Abstract

A difficulty with improving the ability to quantitate water in coal is that truly independent methods do not always exist. The true value of any analytical parameter is always easier to determine if totally independent methods exist to determine that parameter. This paper describes the possibility of using a simple isotope dilution technique to determine the water content of coal and presents a comparison of these isotope dilution measurements with classical results for the set of Argonne coals from the premium coal sample program. Isotope dilution is a widely used analytical method and has been applied to the analysis of water in matrices as diverse as chicken fat, living humans, and coal. Virtually all of these applications involved the use of deuterium as the diluted isotope. This poses some problems if the sample contains a significant amount of exchangeable organic hydrogen and one is interested in discriminating exchangeable organic hydrogen from water. This is a potential problem in the coal system. To avoid this potential problem /sup 18/O was used as the diluted isotope in this work.

Authors:
Publication Date:
Research Org.:
Pittsburgh Energy Technology Center, PA (USA)
OSTI Identifier:
6136926
Report Number(s):
CONF-870802-
Journal ID: CODEN: ACFPA
Resource Type:
Conference
Journal Name:
Prepr. Pap., Am. Chem. Soc., Div. Fuel Chem.; (United States)
Additional Journal Information:
Journal Volume: 32:4; Conference: 194. American Chemical Society national meeting, New Orleans, LA, USA, 30 Aug - 4 Sep 1987
Country of Publication:
United States
Language:
English
Subject:
01 COAL, LIGNITE, AND PEAT; 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; COAL; QUANTITATIVE CHEMICAL ANALYSIS; OXYGEN 18; ISOTOPE DILUTION; WATER; MASS SPECTROSCOPY; EXPERIMENTAL DATA; MOISTURE; OXYGEN; CARBONACEOUS MATERIALS; CHEMICAL ANALYSIS; DATA; ELEMENTS; ENERGY SOURCES; EVEN-EVEN NUCLEI; FOSSIL FUELS; FUELS; HYDROGEN COMPOUNDS; INFORMATION; ISOTOPE APPLICATIONS; ISOTOPES; LIGHT NUCLEI; MATERIALS; NONMETALS; NUCLEI; NUMERICAL DATA; OXYGEN COMPOUNDS; OXYGEN ISOTOPES; SPECTROSCOPY; STABLE ISOTOPES; TRACER TECHNIQUES; 010600* - Coal, Lignite, & Peat- Properties & Composition; 400102 - Chemical & Spectral Procedures

Citation Formats

Finseth, D. Isotope dilution study of exchangeable oxygen in premium coal samples. United States: N. p., 1987. Web.
Finseth, D. Isotope dilution study of exchangeable oxygen in premium coal samples. United States.
Finseth, D. 1987. "Isotope dilution study of exchangeable oxygen in premium coal samples". United States.
@article{osti_6136926,
title = {Isotope dilution study of exchangeable oxygen in premium coal samples},
author = {Finseth, D},
abstractNote = {A difficulty with improving the ability to quantitate water in coal is that truly independent methods do not always exist. The true value of any analytical parameter is always easier to determine if totally independent methods exist to determine that parameter. This paper describes the possibility of using a simple isotope dilution technique to determine the water content of coal and presents a comparison of these isotope dilution measurements with classical results for the set of Argonne coals from the premium coal sample program. Isotope dilution is a widely used analytical method and has been applied to the analysis of water in matrices as diverse as chicken fat, living humans, and coal. Virtually all of these applications involved the use of deuterium as the diluted isotope. This poses some problems if the sample contains a significant amount of exchangeable organic hydrogen and one is interested in discriminating exchangeable organic hydrogen from water. This is a potential problem in the coal system. To avoid this potential problem /sup 18/O was used as the diluted isotope in this work.},
doi = {},
url = {https://www.osti.gov/biblio/6136926}, journal = {Prepr. Pap., Am. Chem. Soc., Div. Fuel Chem.; (United States)},
number = ,
volume = 32:4,
place = {United States},
year = {Thu Jan 01 00:00:00 EST 1987},
month = {Thu Jan 01 00:00:00 EST 1987}
}

Conference:
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