Measurement of Carbon and Hydrogen Isotopes of Natural Gas Hydrate-Bound Gases by Gas Chromatography-Isotope Ratio Mass Spectrometry
详细信息
- 责任者：He Xingliang (Key Laboratory of Marine Hydrocarbon Resources and Environmental Geology ; Ministry of Land and Resources ; Qingdao 266071 ; China) ; Liu Changling
- 刊名：Rock and Mineral Analysis
- 出版年：2012
- 卷期：31(1)
- 关键词：气相色谱法 ; gas chromatography ; 天然气水合物 ; gas hydrates ; 质谱法 ; mass spectrometry
- 页码：p.154-158
- 图表：2 illus., 4 tables, 14 refs.
- 分类号：0900
- issnNo：ISSN0254-5357
- isbnNo：CN11-2131/TD
摘要
In this paper, a Gas Chromatography-Isotope Ratio Mass Spectrometry (GC-IRMS) method was established for the measurement of carbon and hydrogen isotope of natural gas hydrate-bound gases (C1-C3,CO2). The results indicate that the best preparation methods are vacuum headspace-decomposition and in situ storage. The method was successfully applied in the determination of gas isotopic compositions of natural gas hydrate-bound gases from the South China Sea, Qilian Mountains Permafrost and laboratory synthetic samples.
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