High Temperature and High Pressure Extraction of Lanthano-fullerenes by Using Different Solvents

Chem. J. Chinese Universities ›› 1998, Vol. 19 ›› Issue (6): 959.

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High Temperature and High Pressure Extraction of Lanthano-fullerenes by Using Different Solvents

LIU Bing-Bing¹, LIU Zi-Yang², XU Wen-Guo³, YANG Hai-Bin¹, GAO Chun-Xiao¹, LI Dong-Mei¹, YANG Yu-Kun¹, LIU Shu-Ying², ZOU Guang-Tian¹

1. National Lab.of Superhard Materials, Jilin University;
2. Changchun Institute of Applied Chemistry, Academia Sinica;
3. Department of Chemistry, Jilin University, Changchun, 130023

Received:1997-12-19 Online:1998-06-24 Published:1998-06-24

Abstract

Abstract: The traditional Soxhlet extraction of lanthanofullerenes was improved and the high temperature and high pressure method with different extraction solvents was used. It's found that La@C_2n can be efficiently extracted with toluene and pyridine from the insoluble part of the soot after the toluene Soxhlet extraction. Pyridine can more efficiently and selectively extract lanthofullerenes, especially La@C₈₂, while toluene can extract La@C₇₄, which is a new member added to the soluble species to lanthanofullerenes.

Key words: Lanthanofullerene, High temperature and high pressure, Extraction

CLC Number:

O614.33

TrendMD:

LIU Bing-Bing, LIU Zi-Yang, XU Wen-Guo, YANG Hai-Bin, GAO Chun-Xiao, LI Dong-Mei, YANG Yu-Kun, LIU Shu-Ying, ZOU Guang-Tian . High Temperature and High Pressure Extraction of Lanthano-fullerenes by Using Different Solvents[J]. Chem. J. Chinese Universities, 1998, 19(6): 959.

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High Temperature and High Pressure Extraction of Lanthano-fullerenes by Using Different Solvents

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