【摘 要】
:
建立了固相萃取-高效液相色谱法测定水环境中痕量炔雌醇含量的方法。考察了C18小柱的最佳洗脱条件,并且根据出峰时间选择了最佳的色谱条件:流动相为乙腈:水=6:4(V:V),温度为3
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建立了固相萃取-高效液相色谱法测定水环境中痕量炔雌醇含量的方法。考察了C18小柱的最佳洗脱条件,并且根据出峰时间选择了最佳的色谱条件:流动相为乙腈:水=6:4(V:V),温度为30℃,流速为1.0 mL/min,检测波长为280 nm。线性关系良好,回归方程为y=3.424 8x+0.106,回收率为98%~102%,RSD<3%(n=6)。该方法操作简单,快捷,可以精确地检测到水中雌激素。
A method for the determination of trace ethinyl estradiol in water environment by solid-phase extraction and high performance liquid chromatography was established. The optimum conditions for the C18 cartridge were investigated and the best chromatographic conditions were selected according to the peak time: the mobile phase was acetonitrile: water = 6: 4 (V: V), the temperature was 30 ℃ and the flow rate was 1.0 mL / min, the detection wavelength is 280 nm. The regression equation was y = 3.424 8x + 0.106 with a recovery of 98% -102% and RSD <3% (n = 6). The method is simple, fast, and accurately detects estrogen in water.
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