Computer Science
Scientific paper
Jul 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994metic..29q.513o&link_type=abstract
Meteoritics (ISSN 0026-1114), vol. 29, no. 4, p. 513
Computer Science
Fullerenes, Meteoritic Composition, Stony Meteorites, Carbon Isotopes, Chemical Composition, Liquid Chromatography
Scientific paper
The possibility of identifying fullerenes in stony meteorites became apparent from a paper given by Radicati de Brozolo. In this paper it was reported that fullerenes were present in the debris resulting from a collision between a micrometeoroid and an orbiting satellite. This fact generated sufficient curiosity to initiate a search for the presence of fullerenes in various stone meteorites. In the present study seven ordinary chondrites (al-Ghanim L6 (find), Dimmitt H4 (find), Lazbuddie LL5 (find), New Concord H5 (fall), Silverton H4 (find), Springlake L6 (find), and Umbarger L3/6 (find)). Four carbonaceous chondrites (ALH 83100 C2 (find), ALH 83108 C30 (find), Allende CV3 (fall), and Murchison CM2 (fall), and one achondrite (Monticello How (find)) were analyzed for the presence of fullerenes. The analytical procedure employed was as follows: 100 mg of meteorite was ground up with a mortar and pestle; 10 mL of toluene was then added and the mixture was refluxed for 90 min; this mixture was then filtered through a short column of silica; a 50 microliter sample was then analyzed by high pressure liquid chromatography (HPLC) using a Buckyclutcher I column with a mobile phase consisting of equal volumes of toluene and hexane at a flow rate of 1.00 mg per minute, with detection at 330 and 600 nm. Three of the meteorites, Allende, Murchison, and al-Ghanim, gave HPLC traces containing peaks with similar retention times to the HPLC trace of an authentic fullerene C60. However, further analysis using an HPLC instrument equipped with a diode-array detector failed to confirm any of the substances detected in the three meteorites as C60. Additional analyses will be conducted to identify what the HPLC traces actually represent.
Kuechl D.
Oester M. Y.
Sipiera Paul P.
Welch C. J.
No associations
LandOfFree
Search for fullerenes in stone meteorites does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Search for fullerenes in stone meteorites, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Search for fullerenes in stone meteorites will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-822170