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Determination Method of Pefurazoate Residue in Rice and Soil

X. Q. Hao

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Abstract

A determination method of pefurazoate residue in rice and soil was established.The residue was extracted by acetone,cleaned up with Al 2 O 3 column and detected by GC-FTD.The minimum detectable quantity of pefurazoate standard was 1.0×10 -10 g.The lowest detectable concentration of rice seedling,rice shell,shelled rice and soil samples were 0.01,0.02,0.005,0.005 mg/kg,respectively.The recoveries of the method ranged from 78.37 to 105.37%,with the coefficient of variation from 1.53 to 4.51%.

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What this paper is about

A determination method of pefurazoate residue in rice and soil was established.The residue was extracted by acetone,cleaned up with Al 2 O 3 column and detected by GC-FTD.The minimum detectable quantity of pefurazoate standard was 1.0×10 -10 g.The lowest detectable concentration of rice seedling,rice shell,shelled rice and soil samples were 0.01,0.02,0.005,0.005 mg/kg,respectively.The recoveries of the method ranged from 78.37 to 105.37%,with the coefficient of variation from 1.53 to 4.51%.

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Available abstract

A determination method of pefurazoate residue in rice and soil was established.The residue was extracted by acetone,cleaned up with Al 2 O 3 column and detected by GC-FTD.The minimum detectable quantity of pefurazoate standard was 1.0×10 -10 g.The lowest detectable concentration of rice seedling,rice shell,shelled rice and soil samples were 0.01,0.02,0.005,0.005 mg/kg,respectively.The recoveries of the method ranged from 78.37 to 105.37%,with the coefficient of variation from 1.53 to 4.51%.

Key concepts: Residue (chemistry), Coefficient of variation, Seedling, Chemistry, Acetone, Soil test, Agronomy, Chromatography

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