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检出浓度
    The result showed that the relative standard deviation of the method was less than 10%, limit of sampling volume should be 60 litres and the minimum detecting concentration was 0.001 mg/m~3.
    方法的相对标准偏差小于10%,取样鞋为60升时,最低检出浓度为0.001mg/m~3。
    calculating the detection limit of 4.8×10-11g, input volume of sample was 2μl/h, minium detecting concentration was 0.024mg/l, linear range was 0.04-2.0mg/l, recovery rate was 97.5>%-99.0%, the other isomers of the same series did not interfere.
    以3倍的仪器噪声计算其检出限为4.8×10~(-11)g,进样量为2μL时,最低检出浓度为0.024mg/L,线性范围为0.04~2.0mg/L; 精密度实验的变异系数为0.4%~1.7%;
    The recovery rate of this method was 98.1%-100.88%, minimum detecting concentration was 1.7×10-4mg/m3, linear scope was 0.1-340ng, and relative standard deviation was 1.23%.
    方法回收率为98.1%~100.8%,最低检出浓度为1.7×10~(-4)mg/m~3,线性范围为0.1~340ng,相对标准偏差为1.23%。
    The lowest detection limit of instrument for fipronil and its metabolites was 5×10-12g. The lowest detecting concentration was 0.0005mg/kg. The average recovery and coefficient of variation of this method were 85.4%~95.8% and 2.3%~12.0%, respectively.
    该方法仪器最低检出量为5×10 -12g,最低检出浓度为0.0005mg/kg,平均回收率为85.4 %~95.8 % ,变异系数为2.3 %~12.0 %
    The lowest detection limit of instrument for eugenol was3 × 10 -10 g. The lowest detecting concentration was0.003mg/kg.
    该方法仪器最低检出量为3×10-10g,最低检出浓度为0.003mg/kg,平均回收率为93.2%~112.5%.
    〔Results〕 The recovery of daidzin genistin,daidzein and genistein was 90.4%~102%,88.9%~102%,93.0%~102% and 89.3%~104%,respectively,and the variation coefficient was below 6% for all. The minimal detecting concentration of the 4 soy isoflavones was 0.10 mg/ml.
    〔结果〕黄豆甙 ,染料木甙 ,黄豆甙元和金雀异黄素的加标回收率分别为 90 .4%~ 10 2 % ,88.9%~ 10 2 % ,93 .0 %~ 10 2 % ,89.3 %~ 10 4% ,加标回收相对标准偏差均小于 6% ,最底检出浓度均为 0 .10 μg/ml。
    The lowest detecting concentration was 0.002mg/kg.
    最低检出浓度为0.002mg/kg;
 

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