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2011•Chinese Journal of Hygienic Insecticides of EquipmentsRequires access

RP-HPLC method to determine the content of beta cypermethrin

Liu Ji-qi

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Abstract

Objective To set up a method of HPLC-VWD(DAD) to determine the content of beta cypermethrin in cypermethrin SC.Methods Samples were dissolved by acetonitrile with ultrasonic wave.The sepration was carried out on an aglient XDB-C18 column by water and acetonitrile(23+77) in analyzing.Results The RSD of this method was 0.20%-0.87%for beta cypermethrin(200-2 000 μg/ml).Detection limit of the method was 6.40 mg/kg.The recoveries range of the method were 93%-103.5%.Conclusion The method have good adaptability and finer repeatability.It can be used to determine beta cypermethrin in cypermethrin SC.

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What this paper is about

Objective To set up a method of HPLC-VWD(DAD) to determine the content of beta cypermethrin in cypermethrin SC.Methods Samples were dissolved by acetonitrile with ultrasonic wave.The sepration was carried out on an aglient XDB-C18 column by water and acetonitrile(23+77) in analyzing.Results The RSD of this method was 0.20%-0.87%for beta cypermethrin(200-2 000 μg/ml).Detection limit of the method was 6.40 mg/kg.The recoveries range of the method were 93%-103.5%.Conclusion The method have good adaptability and finer repeatability.It can be used to determine beta cypermethrin in cypermethrin SC.

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Available abstract

Objective To set up a method of HPLC-VWD(DAD) to determine the content of beta cypermethrin in cypermethrin SC.Methods Samples were dissolved by acetonitrile with ultrasonic wave.The sepration was carried out on an aglient XDB-C18 column by water and acetonitrile(23+77) in analyzing.Results The RSD of this method was 0.20%-0.87%for beta cypermethrin(200-2 000 μg/ml).Detection limit of the method was 6.40 mg/kg.The recoveries range of the method were 93%-103.5%.Conclusion The method have good adaptability and finer repeatability.It can be used to determine beta cypermethrin in cypermethrin SC.

Key concepts: Cypermethrin, Chromatography, Repeatability, High-performance liquid chromatography, Chemistry, Detection limit, Biology, Pesticide

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