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Разработка методологических подходовк анализу ароматических кислот в условиях капиллярного зонного электрофореза

Разработка методологических подходовк анализу ароматических кислот в условиях капиллярного зонного электрофореза

Abstract

На примере производных бензойной и коричной кислот разработаны методологические подходы к анализу ароматических кислот в условиях зонного электрофореза. Изучена возможность использования модели Оффорда для предварительного моделирования электрофоретического поведения кислот в зависимости от концентрации и состава ведущего электролита. Показано, что в качестве первого приближения она применима только в условиях карбонатного и фосфатного буферных растворов, в то время как боратный электролит не позволяет проводить данную оценку из-за процессов комплексообразования. Также установлено, что изменение концентрации электролита не оказывает существенного влияния на прогноз электрофоретического поведения кислот. Несмотря на процессы комплексообразования, для анализа производных коричной кислоты в сложных, многокомпонентных пробах целесообразно использование боратного электролита, как обеспечивающего более высокие параметры эффективности, по сравнению с карбонатным и фосфатным электролитами.

The methodological approaches to the analysis of aromatic acids in conditions of zone electrophoresis were developed on example of derivatives of benzoic and cinnamicacids. The opportunity of using ofOfford’s model for preliminary modeling of the electrophoretic behavior of acids depending on the concentration and composition of the leading electrolytewas studied. It is shown that as a first approximation it is applicable only under conditions of carbonate and phosphate buffer solutions, while the borate electrolyte does not allow this assessment because of the formation of complexes. Also found that changing the electrolyte concentration has no significant effect on the prognosis of the electrophoretic behavior of acids. Despite the processes of complexation, for the analysis of cinnamic acid derivatives in complex, multicomponent samples it is advisable to use borate electrolyte, which provides higher parameters of efficiency, compared with carbonate and phosphate electrolytes.

Keywords

ПРОИЗВОДНЫЕ БЕНЗОЙНОЙ КИСЛОТЫ., ПРОИЗВОДНЫЕ КОРИЧНОЙ КИСЛОТЫ, АРОМАТИЧЕСКИЕ КИСЛОТЫ, МОДЕЛЬ ОФФОРДА, OFFORD'S MODEL, КАПИЛЛЯРНЫЙ ЗОННЫЙ ЭЛЕКТРОФОРЕЗ, BENZOIC ACID DERIVATIVES.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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