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本文简单介绍了几种猝灭校正方法——外标准源道比法,样品谱指数法和H数法。首先比较了这些方法的特点。然后以实验比较了这些方法dpm的复原。 当采用ESCR法进行预置计数测量时,猝灭校正曲线上起初几点的测量数据将产生误差。
This article briefly describes several methods of quenching correction - the external standard source ratio method, sample spectral index method and H number method. First of all, the characteristics of these methods are compared. Then we compared the recovery of dpm with these methods. When using the ESCR method for preset count measurements, the first few points on the quench calibration curve will produce errors in the measured data.