DOI: 10.1002/grl.50845
论文题名: Experimental determination of the xenon isotopic fractionation during adsorption
作者: Marrocchi Y. ; Marty B.
刊名: Geophysical Research Letters
ISSN: 0094-8637
EISSN: 1944-8368
出版年: 2013
卷: 40, 期: 16 起始页码: 4165
结束页码: 4170
语种: 英语
英文关键词: adsorption
; atmosphere
; isotopic fractionation
; meteorite
; Rayleigh distillation
; xenon
Scopus关键词: Adsorption/desorption
; Equilibrium adsorption
; Experimental determination
; Fractionation factors
; Isotopic composition
; Isotopic fractionations
; Planetary atmosphere
; Rayleigh distillation
; Adsorption
; Clay minerals
; Distillation
; Earth atmosphere
; Experiments
; Isotopes
; Kerogen
; Meteorites
; Xenon
; Inert gases
; adsorption
; distillation
; experimental study
; isotopic composition
; isotopic fractionation
; Martian atmosphere
; meteorite
; noble gas
; planetary atmosphere
; Rayleigh number
; xenon
英文摘要: Adsorption of noble gases into solids is often posited to account for their abundance patterns in meteorites, terrestrial rocks, and planetary atmospheres. Since these elements present isotope variations among geochemical reservoirs, we have experimentally tested the possibility that adsorption of neutral noble gases could result in isotopic fractionation. Our experiment consists of a cycle of adsorption/desorption processes in which xenon is progressively lost from a reservoir by equilibrium adsorption on kerogen and on montmorillonite. Any isotopic fractionation would then be amplified by the Rayleigh-like distillation experiment. The fractionation factors α are extrapolated to be -0.18‰ ± 0.08‰ per u and -0.22‰ ± 0.07‰ per u (both at the 2σ level) for kerogen and montmorillonite, respectively. Thus, adsorption of neutral noble gases alone cannot account for the specific isotopic composition of noble gases trapped in meteorites, nor for the isotopic composition of xenon in the terrestrial and martian atmospheres. Key Points Noble gas isotopic fractionation Origin of meteoritic noble gases Evolution of terrestrial and martian atmospheres. © 2013. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84882760325&doi=10.1002%2fgrl.50845&partnerID=40&md5=d7e1b95d5b971837561a4d3b79b6f9bc
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/5901
Appears in Collections: 气候减缓与适应
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作者单位: Université de Lorraine, CRPG, UMR 7358, Vandoeuvre les Nancy, France
Recommended Citation:
Marrocchi Y.,Marty B.. Experimental determination of the xenon isotopic fractionation during adsorption[J]. Geophysical Research Letters,2013-01-01,40(16).