Citation:
XU Hai, YU Dao-Yong, SUI Xiu-Hua, QUE Guo-He. Isolation and Characterization of Metalloporphyrin from Liaohe Oil Residue[J]. Chinese Journal of Applied Chemistry,
;2001, 18(5): 419-421.
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In Liaohe oil residue nickel content is high and vanadium content is low. There are some kinds of metalloporphyrin in Liaohe oil residue. In this paper the nickel porphyrin is isolated by extraction with acetonitrile. The isolated nickel porphyrin has a characteristic peak at 552 nm, by which the concentration of nickel as porphyrins is determined. The nickel porphyrin is dematallated with methanesulfonic acid. The demetallated porphyrin has four peaks in visible band with Ⅳ> Ⅲ> Ⅱ> Ⅰ. This shows ETIO is the main porphyrin compound in Liaohe oil residue.
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Keywords:
- Liaohe oil residue,
- porphyrin,
- isolation,
- characterization
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