Two-step-method Extraction of Endohedral Metallofullerenes

Chem. J. Chinese Universities ›› 1996, Vol. 17 ›› Issue (12): 1837.

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Two-step-method Extraction of Endohedral Metallofullerenes

HAO Chun-Yan¹, LIU Zi-Yang¹, XU Wen-Guo², GUO Xing-Hua¹, LIU Shu-Ying¹

1. Changchun Institute of Applied Chemistry, Academia Sinica;
2. Dept. of Chem, Jilin University, Changchun, 130022

Received:1996-06-20 Online:1996-12-24 Published:1996-12-24

Abstract

Abstract: Anew and efficient extraction method of endohedral metallofullerenes,especially of rare-earth elements encapsulated metallofullerenes, has been reported in this paper,Soxhlet-extraction of raw soot with toluene was used in the first step to wash away most accompanying C₆₀,C₇₀.Then pyridine was chosen as solvent to obtain high-temperature and highpressure extract.Two kinds of extract were analysed by DFIMSand LDI-MS, the results indicate that this two-step method can provide the extract,which has the highest fraction of endohedral metallofullerenes.So it will greatly simplify the following separation and purification processes of metallofullerenes.

Key words: Metallofullerene, Soxhlet-extraction, DEI-MS, LDI-MS

TrendMD:

HAO Chun-Yan, LIU Zi-Yang, XU Wen-Guo, GUO Xing-Hua, LIU Shu-Ying. Two-step-method Extraction of Endohedral Metallofullerenes[J]. Chem. J. Chinese Universities, 1996, 17(12): 1837.

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Two-step-method Extraction of Endohedral Metallofullerenes

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