The labelling of meteoritic organic material using osmium tetroxide vapour impregnation

Details The labelling of meteoritic organic material using osmium tetroxide vapour impregnation The labelling of meteoritic organic material using osmium tetroxide vapour impregnation

Jul 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007p%26ss...55.1310p&link_type=abstract

Planetary and Space Science, Volume 55, Issue 10, p. 1310-1318.

Computer Science

6

Scientific paper

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.

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