Multielement analysis of interplanetary dust particles using TOF-SIMS

Details Multielement analysis of interplanetary dust particles using TOF-SIMS Multielement analysis of interplanetary dust particles using TOF-SIMS

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993lpi....24.1349s&link_type=abstract

In Lunar and Planetary Inst., Twenty-Fourth Lunar and Planetary Science Conference. Part 3: N-Z p 1349-1350 (SEE N94-20636 05-91

Physics

1

Chondrites, Interplanetary Dust, Mass Spectroscopy, Spectroscopic Analysis, Time Of Flight Spectrometers, Atmospheric Effects, Contamination, Synchrotrons, X Ray Fluorescence

Scientific paper

Sections of three stratospheric particles (U2015G1, W7029*A27, and L2005P9) were analyzed with TOF-SIMS (Time Of Flight-Secondary Ion Mass Spectrometry) continuing our efforts to investigate the element distribution in interplanetary dust particles (IDP's) with high lateral resolution (approximately 0.2 micron), to examine possible atmospheric contamination effects, and to further explore the abilities of this technique for element analysis of small samples. The samples, previously investigated with SXRF (synchrotron X-ray fluorescence analysis), are highly enriched in Br (Br/Fe: 59 x CI, 9.2 x CI, and 116 x CI, respectively). U2015G1 is the IDP with the by far highest Zn/Fe-ratio (81 x CI) ever reported in chondritic particles.

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