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Method for residue analysis of tebuconazole in wheat with GC

Rimao Hua

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Abstract

A residue analysis method was established for Tebuconazole.After mechanical oscillating ex-tracted twice with acetone,impurities were removed twice by liquid-liquid partition.Wheat samples extraction was cleaned up through a neutral Al2O3 column,and then concentrated to be ready for detection with GC-NPD.0.025,0.05 and 0.5mg/kg of Tebuconzole in spiked wheat were analyzed,and the recoveries were in the range of 73.98% to 82.86%,81.21% to 95.38%,and 81.51% to 97.98%,respectively.Coefficients of variation ranged from 5.74% to 9.33%.They all met the need of the pesticide residue analysis.

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What this paper is about

A residue analysis method was established for Tebuconazole.After mechanical oscillating ex-tracted twice with acetone,impurities were removed twice by liquid-liquid partition.Wheat samples extraction was cleaned up through a neutral Al2O3 column,and then concentrated to be ready for detection with GC-NPD.0.025,0.05 and 0.5mg/kg of Tebuconzole in spiked wheat were analyzed,and the recoveries were in the range of 73.98% to 82.86%,81.21% to 95.38%,and 81.51% to 97.98%,respectively.Coefficients of variation ranged from 5.74% to 9.33%.They all met the need of the pesticide residue analysis.

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Available abstract

A residue analysis method was established for Tebuconazole.After mechanical oscillating ex-tracted twice with acetone,impurities were removed twice by liquid-liquid partition.Wheat samples extraction was cleaned up through a neutral Al2O3 column,and then concentrated to be ready for detection with GC-NPD.0.025,0.05 and 0.5mg/kg of Tebuconzole in spiked wheat were analyzed,and the recoveries were in the range of 73.98% to 82.86%,81.21% to 95.38%,and 81.51% to 97.98%,respectively.Coefficients of variation ranged from 5.74% to 9.33%.They all met the need of the pesticide residue analysis.

Key concepts: Tebuconazole, Residue (chemistry), Chromatography, Pesticide residue, Acetone, Chemistry, Gas chromatography, Analytical Chemistry (journal)

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