| High molecular weight non-polar hydrocarbons as pure model substances and in motor oil samples can be ionized without fragmentation by atmospheric pressure chemical ionization mass spectrometry. | |
| | |
MedLine Citation:
|
PMID: 22956329 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
|
RATIONALE: High molecular weight non-polar hydrocarbons are still difficult to detect by mass spectrometry. Although several studies have targeted this problem, lack of good self-ionization has limited the ability of mass spectrometry to examine these hydrocarbons. Failure to control ion generation in the atmospheric pressure chemical ionization (APCI) source hampers the detection of intact stable gas-phase ions of non-polar hydrocarbon in mass spectrometry. METHODS: Seventeen non-volatile non-polar hydrocarbons, reported to be difficult to ionize, were examined by an optimized APCI methodology using nitrogen as the reagent gas. RESULTS: All these analytes were successfully ionized as abundant and intact stable [M-H](+) ions without the use of any derivatization or adduct chemistry and without significant fragmentation. Application of the method to real-life hydrocarbon mixtures like light shredder waste and car motor oil was demonstrated. CONCLUSIONS: Despite numerous reports to the contrary, it is possible to ionize high molecular weight non-polar hydrocarbons by APCI, omitting the use of additives. This finding represents a significant step towards extending the applicability of mass spectrometry to non-polar hydrocarbon analyses in crude oil, petrochemical products, waste or food. Copyright © 2012 John Wiley & Sons, Ltd. |
| | |
Authors:
|
Nadim Hourani; Nikolai Kuhnert |
Related Documents
:
|
11293589 - Fast separation of pyrimidine derivatives by capillary electrochromatography on ion-exc... 44879 - Quantitation of the information content of multi-dimensional gas chromatography and low... 12899299 - Effect of phase ratio on van't hoff analysis in reversed-phase liquid chromatography, a... 1206059 - Reversed-phase ion-pair partition chromatography of carboxylates and sulphonates. 15523789 - Removal of struvite to prevent problems associated with its accumulation in wastewater ... 18469119 - Proteomic analysis of stationary phase in the marine bacterium "candidatus pelagibacter... 15707369 - Rapid and sensitive screening of n-glycans as 9-fluorenylmethyl derivatives by high-per... 9670519 - A fatal case of hydrogen sulfide poisoning in a geothermal power plant. 6431569 - Comparison of saline incubation and pepsin digestion as methods for recovering ostertag... |
Publication Detail:
|
Type: Journal Article |
Journal Detail:
|
Title: Rapid communications in mass spectrometry : RCM Volume: 26 ISSN: 1097-0231 ISO Abbreviation: Rapid Commun. Mass Spectrom. Publication Date: 2012 Oct |
Date Detail:
|
Created Date: 2012-09-07 Completed Date: - Revised Date: - |
Medline Journal Info:
|
Nlm Unique ID: 8802365 Medline TA: Rapid Commun Mass Spectrom Country: England |
Other Details:
|
Languages: eng Pagination: 2365-71 Citation Subset: IM |
Copyright Information:
|
Copyright © 2012 John Wiley & Sons, Ltd. |
Affiliation:
|
School of Engineering and Science, Jacobs University Bremen, P.O. Box 750 561, 28725, Bremen, Germany. |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
|
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Distinguishing wild ruminant lipids by gas chromatography/combustion/isotope ratio mass spectrometry...
Next Document: Distinct contributions of the caudate nucleus, rostral prefrontal cortex, and parietal cortex to the...