doi: 10.1126/science.257.5067.215.
Fullerenes from the geological environment
- PMID: 17794751
- DOI: 10.1126/science.257.5067.215
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Fullerenes from the geological environment
Science.
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Abstract
By means of high-resoluton transmission electron microscopy, both C(60) and C(70) fullerenes have been found in a, carbon-rich Precambrian rock from Russia The fullerenes were confirmed by Fourier transform mass spectrometry with both laser desorption and thermal desorption/electron-capture methods to verify that the fullerenes were indeed present in the geological sample and were not generated by the laser ionization event. The mass spectra were measured under conditions sufficient to resolve the (13)C/(12)C isotopic ratios for C(60) and C(70) and indicate that these ratios correspond to the normal range of isotopic values.
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