Identification of vanadyl porphyrins in iran vacuum residue by Fourier transform ion cyclotron resonance mass spectrometry

被引：0

作者：

Shi, Yanqiang ^{[1
]}

Wang, Wei ^{[1
]}

Liu, Zelong ^{[1
]}

机构：

[1] Research Institute of Petroleum Processing, SINOPEC

来源：

Shiyou Xuebao, Shiyou Jiagong/Acta Petrolei Sinica (Petroleum Processing Section) | 2014年 / 30卷 / 03期

关键词：

Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS); Iran vacuum residue; Solid-phase extraction (SPE); Soxhlet extraction; Vanadyl porphyrins;

D O I：

10.3969/j.issn.1001-8719.2014.03.019

中图分类号：

学科分类号：

摘要：

The vanadyl porphyrins in Iran vacuum residue were separated by Soxhlet extraction with solid-phase extraction (SPE), and then were characterized by atmospheric pressure photoionization Fourier transform ion cyclotron resonance mass spectrometry (APPI FT-ICR MS). The results showed that vanadyl porphyrins could be separated from nickel porphyrins and enriched by SPE. When acetonitrile was used as the extraction solvent, vanadyl porphyrins with Z number ranging from -28 to -46 and carbon number ranging from 25 to 55 were detected. The most plentiful type of vanadyl porphyrins in Iran vacuum residue was deoxophylloerythroetioporphyrins (DPEP), followed by etioporphyrins (ETIO). Vanadyl porphyrins in Iran vacuum residue were characterized efficiently by combining sample pretreatment with APPI FT-ICR MS technique.

引用

页码：509 / 514

页数：5

共 25 条

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