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中文摘要：
用离子交换柱分离氨基糖苷类抗生素妥布霉素、新霉素B和西梭霉素，用脉冲积分安培电化学检测器进行检测。其流动相不同于一般抗生素的离子对色谱法，它配制简单，仅需使用NaOH-水体系；对两种检测电位波形进行了对比，并选取了表现优良的检测电位。方法对妥布霉素、新霉素B和西梭霉素的检出限分别为8、5、47ng／mL，在0．1～100／μg／mL范围内表现良好线性关系（r=0．9990～0．9996）。该方法应用于市售鲜奶的检测，3种氨基糖苷类抗生素古白回收率为850％～985％．
英文摘要：
A new method was developed for detection of aminoglycoside antibiotics of tobramycin, neomycin and sisomyein by ion-exchange column with pulsed integrated amperometrie detection. The method was simple enough with the mobile phase of NaOH/H2O and a good detect waveform based on experiments. The detection limits for tobramyein, neomycin and sisomyein were 8, 5, 47 ng/mL respectively ; the linear range was 0.1 - 100 μg/mL （ r = 0. 9990 0. 9995）. The method was applied to the detection of milk samples and spiked samples with recoveries of 85.0 % 98.5 % for the three antibiotics.
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