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Citation: DENG Wen-An, ZHAO Qing-Qing, LI Ming, QUE Guo-He. Isolation and Identification of Vanadyl Porphyrins in Lungu Atmospheric Residue and Its Components[J]. Chinese Journal of Applied Chemistry, ;2007, 24(10): 1187-1192. shu

Isolation and Identification of Vanadyl Porphyrins in Lungu Atmospheric Residue and Its Components

1.
a State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Dongying 257061;
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b Shengli Oil Production Technology Research Institute, Dongying

Corresponding author: DENG Wen-An,
Received Date: 13 November 2006
Available Online: 20 March 2007

Metallic vanadyl porphyrins were isolated from LGAR and its components Via improved solvent extraction. 18.5% of vanadium in LGAR, 68.0% of vanadium in LGAR maltene and 9.2% of vanadium in LGAR asphaltene were isolated by this method. The vanadyl porphyrin and base porphyrin were characterized by UV-Vis spectrophotometry, and the vanadyl porphyrin in LGAR was mainly ETIO, which was confirmed by matrix assisted laser desorption ionization time of flight mass spectroscopy(MALDI-TOF MS) of base porphyrin.
- metallic vanadyl porphyrins,
- UV-Vis,
- MALDI-TOF MS
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