Gradient HPLC Separation of Alkylphosphonic Acids on a Hypercarb Porous Graphitic Carbon Adsorbent with an Aqueous Formic Acid Solution as the Mobile Phase
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Abstract
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.
Keywords
liquid chromatography (HPLC) mass spectrometry Hypercarb porous graphitic carbon adsorbent alkylphosphonic acidsPreview
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