Abstract
A simple and rapid method has been developed for the determination of biogenic amines in lake water using micellar electrokinetic chromatography with fluorescence detection. Separation of fluorescamine derivatized biogenic amines was accomplished by using borate buffer of pH 9.5 containing 40 mM of sodium dodecyl sulphate. The method has been optimized with respect to fluorescamine concentration, reaction pH, reaction time, separation voltage and injection time. Detection was performed by using UG-11 excitation filter and 495 nm emission filter. The proposed method for histamine, tyramine and dopamine allowed their separation within 2 min with detection limits in nM range. The interday and intraday reproducibility of peak areas were less than 6.5%. Recovery of spiked samples was 95.76–116.31%.
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