天然气中烃类单体化合物氢同位素分析涂炭方法优化

张文龙; 黄凌

doi:10.11781/sysydz201806855

天然气中烃类单体化合物氢同位素分析涂炭方法优化

doi: 10.11781/sysydz201806855

张文龙,
黄凌

中国石油勘探开发研究院石油地质实验研究中心, 北京 100083

基金项目:

国家自然科学基金项目“天然气中轻烃单体氢同位素分布规律及其应用研究”（41473020）和中国石油天然气股份有限公司重点项目“复杂油气成藏示踪技术开发与应用”（2016A-0205）联合资助。

详细信息

作者简介:
张文龙(1960-),男,高级工程师,从事有机地球化学分析研究。E-mail:zhangwenlong@petrochina.com.cn。

中图分类号: TE135
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出版历程
- 收稿日期: 2018-08-03
- 修回日期: 2018-08-30
- 刊出日期: 2018-11-28

Optimization of compound-specific hydrogen isotope analysis of natural gas

Central Laboratory of Geological Sciences, Research Institute of Petroleum Exploration & Development, PetroChina, Beijing 100083, China

摘要

摘要: 涂炭方法对于单体烃氢同位素分析结果有重要影响。分别对正己烷或甲烷进样口注入、甲烷逆向注入3种涂炭方法对氢同位素值测定的影响进行了考察和对比。结果显示，在每次样品分析前采用甲烷逆向注入的涂炭方法，可保证高温裂解炉管中涂炭效果的一致性，使天然气烃类单体化合物氢同位素测定值具有最好的重复性和准确性。
- 天然气 /
- 氢同位素 /
- 分析方法 /
- 涂炭方法
Abstract: The conditioning method has an important influence on the compound-specific analysis results of hydrogen isotope ratios. The effects of three methods (injection of n-hexane or methane in the inlets, the reverse injection of methane) on the determination of hydrogen isotope values were investigated and compared. The results showed that the method of reverse injection of methane before each sample analysis can ensure the consistency of conditioning in the pyrolysis furnace tube, and can provide the best repeatability and accuracy of the compound-specific hydrogen isotope determination of natural gas.
- natural gas /
- hydrogen isotopes /
- analysis method /
- conditioning method

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参考文献(23)

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