Abstract
An automatic method to detect acrolein in surface and drinking water is described. This method is based on derivatization with 2,2,2-trifluoroethylhydrazine (2,2,2-TFEH) and consecutive headspace solid-phase micro extraction and gas chromatography-mass spectrometry (HS-SPME GC–MS). The HS-SPME parameters (selection of fiber, extraction/derivatization temperature, heating time and pH) were optimized and selected. Under the established condition, the detection and the quantification limits were 0.06 and 0.2 μg L−1 using 4 mL of surface water or drinking water, respectively, and the intra- and inter-day relative standard deviation was less than 10 % at concentrations of 0.5 and 2.5 μg L−1. The calibration curve showed good linearity with r2 = 0.9977. The method is suitable for use in the routine analysis of acrolein in surface water or drinking water.
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