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目的建立同时测定水中双酚A、辛基酚、4-壬基酚的高效液相色谱荧光检测法。方法样品经液-液萃取,采用XTerra誖RP18色谱柱(4.6 mm×150 mm,5μm),以甲醇-水(体积比为80∶20)为流动相,高效液相色谱荧光检测器进行检测。结果双酚A、辛基酚、4-壬基酚的检出限为0.01~0.02μg/L,平均回收率为82.8%~97.8%,相对标准偏差为1.26%~4.14%。结论该方法操作简便,回收率高,重复性好,适用于水中双酚A、辛基酚、4-壬基酚的同时检测。
Objective To establish a simultaneous determination of bisphenol A, octylphenol and 4-nonylphenol in water by high performance liquid chromatography with fluorescence detection. Methods The samples were analyzed by liquid-liquid extraction using a XTerra RP18 column (4.6 mm × 150 mm, 5 μm) with methanol-water (80:20) as mobile phase and high performance liquid chromatography with fluorescence detector. Results The detection limits of bisphenol A, octylphenol and 4-nonylphenol were 0.01-0.02 μg / L with the average recoveries of 82.8% -97.8% and the relative standard deviations of 1.26% -4.14%. Conclusion The method is simple and easy to operate with high recovery rate and good reproducibility. It is suitable for the simultaneous determination of bisphenol A, octylphenol and 4-nonylphenol in water.