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Issue 22, 2011
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Protonating and determining myosmine intactly by association with citrate anion

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Abstract

Myosmine can not be separated from nornicotine, nicotine and anabasine intactly by capillary zone electrophoresis (CZE) with a phosphate buffer. Using citrate solution at pH 6.5 as a CZE buffer, myosmine is protonated intactly by H+, charged positively and then separated from other tobacco alkaloids on the baseline. Its sensitivity is ten times higher than gas chromatography (GC) with a nitrogen–phosphorus detector (NPD). The mechanism for protonating myosmine intactly is discussed and the utility of the new method is testified, too.

Graphical abstract: Protonating and determining myosmine intactly by association with citrate anion

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Article information


Submitted
16 Jul 2011
Accepted
01 Aug 2011
First published
04 Oct 2011

Analyst, 2011,136, 4846-4854
Article type
Paper

Protonating and determining myosmine intactly by association with citrate anion

B. Chen and Q. Xu, Analyst, 2011, 136, 4846
DOI: 10.1039/C1AN15611J

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