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HPLC Determination of Herbicide Clopyralid in Soil

机译:高效液相色谱法测定土壤中除草剂吡虫啉

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摘要

A rapid and reliable reverse phase HPLC (RP-HPLC) method was developed for the determination of clopyralid in soil and water. Separation of clopyralid was achieved on a C-18 column using isocratic mobile phase consisting of 0.02 % acetic acid in 9:1 v/v methanol:acetonitrile. UV-229 nm wavelength was used for the detection in fixed wavelength detector of RP-HPLC. Quantification was performed using calibration curves which were linear (r = 0.998) over the dynamic range of 0.25-5.00 μg ml~(-1). Limit of quantification were 0.02 μg ml~(-1) and 0.05 μg g~(-1) for water and soil respectively. The percent RSD was 1.87.
机译:建立了一种快速,可靠的反相高效液相色谱法(RP-HPLC),用于测定土壤和水中的氯吡格雷。使用等度流动相(在9:1 v / v甲醇:乙腈中包含0.02%的乙酸)在C-18色谱柱上完成氯吡格雷的分离。 UV-229 nm波长用于RP-HPLC固定波长检测器中的检测。使用在0.25-5.00μgml〜(-1)的动态范围内线性(r = 0.998)的校准曲线进行定量。水和土壤的定量限分别为0.02μgml〜(-1)和0.05μgg〜(-1)。 RSD百分比为1.87。

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