Determination of 15 Nitrobenzene compounds in water by GC/MS/MS Solid Phase Extraction
The determination of 15 Nitrobenzene compounds in water was carried out by GC/MS/MS with solid phase appara-tus.Under the optimized conditions,the linear relationship was good in the concentration range of 0.1-10.0 mg/L,and the relative standard deviation(RSD)of 15 components was 4.07%-13.28%.When the Sampling volume was 1 000 mL,the detection limit of 15 nitrobenzene compounds was 0.004-0.02 μg/L.The relative standard deviation(RSD)of the two blank supplementary samples with different concentrations was1.04%-12.7%.The spiked recoveries was 76.4%-102.2%.The ni-trobenzene compounds in water at a certain point in Yancheng City were analyzed by the established method.The results showed that 5 nitrobenzene compounds were detected in the sample,including nitrobenzene,m-nitrotoluene,o-nitrochloro-benzene,p-nitrochlorobenzene and 2,6-dinitrotoluene.
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