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High-yield preparation of dimetallofullerenes by the improved DC arc discharge method

โœ Scribed by Y.F Lian; Z.J Shi; X.H Zhou; Z.N Gu; H.Z Xiao; J.Z Wang

Book ID
104152224
Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
218 KB
Volume
61
Category
Article
ISSN
0022-3697

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โœฆ Synopsis

The soot containing yttrium metallofullerenes was prepared by DC arc discharge method under novel conditions including the use of YNi 2 alloy, high helium static pressure and high Y:C ratio and extracted by CS 2 . The extract was enriched by column liquid chromatography on silica gel with a mixed solvent of 85% petroleum ether and 15% xylene, xylene and carbon disulfide as successive eluents. Mass spectra show that dimetallofullerenes with nearly no detectable monometallofullerenes were obtained in bulk quantities.

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