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Determination of sulfonamides and trimethoprim using high temperature HPLC with simultaneous temperature and solvent
Sascha Giegold1, Thorsten Teutenberg, Jochen Tuerk
1Institut für Energie und Umwelttechnik e. V. (IUTA), Duisburg, Germany.
Abstract:
A fast HPLC method for the analysis of eight selected sulfonamides (SA) and trimethoprim has been developed with the use of high temperature HPLC. The separation could be achieved in less than 1.5 min on a 50 mm sub 2 microm column with simultaneous solvent and temperature gradient programming. Due to the lower viscosity of the mobile phase and the increased mass transfer at higher temperatures, the separation could be performed on a conventional HPLC system obtaining peak widths at half height between 0.6 and 1.3 s.
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