The labelling of meteoritic organic material using osmium tetroxide vapour impregnation

被引：16
作者：
Pearson, V. K.
Kearsley, A. T.
Sephton, M. A.
Gilmour, I.
机构：
[1] Open Univ, Planetary & Space Sci Res Inst, Milton Keynes MK7 6AA, Bucks, England
[2] Nat Hist Museum, Dept Mineral, London SW7 5BD, England
[3] Univ London Imperial Coll Sci Technol & Med, Dept Earth Sci & Engn, London SW7 2AZ, England
来源：
PLANETARY AND SPACE SCIENCE | 2007年 / 55卷 / 10期
关键词：
organic matter; carbonaceous chondrites; martian meteorites; scanning electron microscopy; chemical labelling; phyllosilicate minerals; EARLY SOLAR-SYSTEM; POLYCYCLIC AROMATIC-HYDROCARBONS; ENDOGENOUS AMINO-ACIDS; MURCHISON METEORITE; COMPOSITIONAL CLASSIFICATION; CARBONACEOUS CHONDRITES; MACROMOLECULAR MATERIAL; MONOCARBOXYLIC ACIDS; MARTIAN METEORITES; MASS-SPECTROMETRY;
D O I：
10.1016/j.pss.2007.04.005
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present a method for labelling and locating organic material in extraterrestrial samples in order to determine its spatial arrangement in relation to inorganic components. We have taken a suite of meteorites including carbonaceous chondrites (CC) and Shergottite-Nakhlite-Chassignites (SNCs) and attempted to locate organic material within them by labelling with osmium tetroxide vapour impregnation. This technique is limited by the abundance of organic material within each sample, and the degree of terrestrial contamination, which may contribute additional organic components or surface contaminants that may mask indigenous organic components. Results confirm previous studies that phyllosilicates are key to organic matter accumulation in extraterrestrial environments. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1310 / 1318
页数：9
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