Gradient HPLC Separation of Alkylphosphonic Acids on a Hypercarb Porous Graphitic Carbon Adsorbent with an Aqueous Formic Acid Solution as the Mobile Phase
An approach to the gradient HPLC separation of alkylphosphonic acids on a Hypercarb porous graphitic carbon adsorbent with an aqueous formic acid solution as a mobile phase is proposed. Analytes were detected using a quadrupole mass spectrometer. To increase the retention of the analytes, the chromatographic column was washed with water before the injection of a sample solution. This procedure results in a three- to fourfold increase in the retention factors of alkylphosphonic acids in comparison with the analogs described in the publications.
Keywordsliquid chromatography (HPLC) mass spectrometry Hypercarb porous graphitic carbon adsorbent alkylphosphonic acids
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- 9.Baigil’diev, T.M., Rodin, I.A., Stavrianidi, A.N., Braun, A.V., Akhmerova, D.I., Shpigun, O.A., and Rybal’chenko, I.V., Zavod. Lab., Diagn. Mater., 2016, vol. 82, p.5.Google Scholar