采用固相萃取-气相色谱/质谱法测定水中硝基苯、硝基氯苯(间硝基氯苯、对硝基氯苯、邻硝基氯苯)、二硝基苯(对二硝基苯、间二硝基苯、邻二硝基苯)、2,4-二硝基甲苯、2,4-二硝基氯苯、2,4,6-三硝基甲苯10种硝基苯类化合物,保留时间及全扫描定性,外标法定量,定性定量准确,线性相关性强,干扰小。方法检出限为0.001-0.010μg/L,平均加标回收率在83.8-97.2%之间,RSD在1.2%-5.3%之间。 Determination of nitrobenzene, nitrochlorobenzene (m - nitrochlorobenzene, p - nitrochlorobenzene, o - nitrochlorobenzene), dinitrobenzene (p - dinitrobenzene) in water by gas chromatography / mass spectrometry , Dinitrobenzene, o-dinitrobenzene), 2,4-dinitrotoluene, 2,4-dinitrochlorobenzene, 2,4,6-trinitrotoluene Ten kinds of nitrobenzene compounds , Retention time and full scan qualitative, external standard quantitative, qualitative and quantitative accurate, strong linear correlation, small interference. The detection limit was 0.001-0.010 μg / L. The average recoveries were between 83.8-97.2% with RSD between 1.2% -5.3%.