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Updated: Aug 11, 2026

Sheathless Capillary Electrophoresis–Mass Spectrometry for Metabolic Profiling of Biological Samples
Published on: October 1, 2016
[Migration behavior of low-mass anions in capillary electrophoresis]
Abstract:
The dependence of effective mobility on ionic equivalent conductivity for 33 anions was studied using 5 mmol/L sodium chromate and 0.5 mmol/L tetradecyltrimethylammonium bromide (TTAB) as background electrolyte. The relationship was developed between effective mobility mueff and carbon number of mono-carboxylic acid and dicarboxylic acid homologues. The results showed that the effective mobility of anions increased with increasing ionic equivalent conductivity. The 1/mueff was linearly related to the carbon number of mono-carboxylic acid (C2-C7) and dicarboxylic acid(C2-C10). The correlation coefficient was more than 0.997.
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