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Nitrogen Mass Fraction and Isotope Determinations in Geological Reference Materials Using Sealed-Tube Combustion Coupled with Continuous-Flow Isotope-Ratio Mass Spectrometry
Feng, Lianjun1,2,3; Li, Hongwei1,2,3; Liu, Wei1,2,3
2018-12-01
发表期刊GEOSTANDARDS AND GEOANALYTICAL RESEARCH
ISSN1639-4488
卷号42期号:4页码:539-548
摘要A method using a high-temperature sealed-tube combustion technique coupled with a continuous-flow isotope-ratio mass spectrometer (CF-IRMS) was developed in this study to accurately determine the nitrogen mass fractions and delta N-15 of silicate rocks with a low nitrogen mass fraction of < 200 mu g g(-1). Analysis of reference material (HBa3) demonstrated that the nitrogen mass fraction and delta N-15 results using the developed method were in agreement with data obtained using classical sealed-tube combustion coupled to a dual-inlet MS. Given the lack of commercially accessible reference materials usable for interlaboratory comparisons, two igneous reference materials (BCR-2 and BHVO-2) obtained from the United States Geological Survey (USGS) were analysed for nitrogen mass fractions and delta N-15 using the new method. Due to their homogenous characteristics, they can potentially be used as test materials for inter-laboratory comparisons. The sealed-tube combustion technique yielded higher N mass fractions than the elemental analyser, suggesting that previous nitrogen mass fractions measured using EA-IRMS were underestimated. Thus, the nitrogen mass fractions and delta N-15 of BCR-2 and BHVO-2 may not have been correctly determined using EA-IRMS.
关键词nitrogen isotopes low nitrogen mass fraction silicate sealed-tube combustion continuous flow
DOI10.1111/ggr.12234
资助者CAS Key Technology Talent Programme ; CAS Key Technology Talent Programme ; CAS Key Technology Talent Programme ; CAS Key Technology Talent Programme ; CAS Key Technology Talent Programme ; CAS Key Technology Talent Programme ; CAS Key Technology Talent Programme ; CAS Key Technology Talent Programme
关键词[WOS]ZIRCON U-PB ; ROCKS ; FIXATION ; CRUST ; QUANTITIES ; EVOLUTION ; BASIN ; WATER ; CYCLE
语种英语
资助项目CAS Key Technology Talent Programme
资助者CAS Key Technology Talent Programme ; CAS Key Technology Talent Programme ; CAS Key Technology Talent Programme ; CAS Key Technology Talent Programme ; CAS Key Technology Talent Programme ; CAS Key Technology Talent Programme ; CAS Key Technology Talent Programme ; CAS Key Technology Talent Programme
WOS研究方向Geochemistry & Geophysics
WOS类目Geochemistry & Geophysics
WOS记录号WOS:000452527400008
出版者WILEY
引用统计
文献类型期刊论文
条目标识符http://ir.iggcas.ac.cn/handle/132A11/90297
专题矿产资源研究院重点实验室
通讯作者Feng, Lianjun
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Earth Sci, Beijing, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
推荐引用方式
GB/T 7714
Feng, Lianjun,Li, Hongwei,Liu, Wei. Nitrogen Mass Fraction and Isotope Determinations in Geological Reference Materials Using Sealed-Tube Combustion Coupled with Continuous-Flow Isotope-Ratio Mass Spectrometry[J]. GEOSTANDARDS AND GEOANALYTICAL RESEARCH,2018,42(4):539-548.
APA Feng, Lianjun,Li, Hongwei,&Liu, Wei.(2018).Nitrogen Mass Fraction and Isotope Determinations in Geological Reference Materials Using Sealed-Tube Combustion Coupled with Continuous-Flow Isotope-Ratio Mass Spectrometry.GEOSTANDARDS AND GEOANALYTICAL RESEARCH,42(4),539-548.
MLA Feng, Lianjun,et al."Nitrogen Mass Fraction and Isotope Determinations in Geological Reference Materials Using Sealed-Tube Combustion Coupled with Continuous-Flow Isotope-Ratio Mass Spectrometry".GEOSTANDARDS AND GEOANALYTICAL RESEARCH 42.4(2018):539-548.
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