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The feasibility of on-line sample pretreatment and separation on a single short-column liquid chromatography/tandem mass spectrometry (LC/MS/MS) system is tested for target analysis of triazines in surface water. In this approach, the chromatographic separation is reduced to a minimum, primarily aiming at resolving the peaks of interest from the solvent front and other disturbing interferences. Preliminary experiments with a thermospray interface allowed the detection of triazines down to the 1 μg/L level by analyzing 48 mL of spiked surface water. Good linearity in the range of 1–10 μg/L and relative standard deviations better than 8% indicate the practicability of the single short-column LC/MS/MS approach.
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Minnaard et al. (1996) studied this question.
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