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2011•Journal of Instrumental AnalysisRequires access

Simultaneous Determination of Atrazine and Ametryn Residues in Sugarcane Juice by Gas Chromatography-Mass Spectrometry

Fang FengXue

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Abstract

A new method was established for the simultaneous determination of atrazine and ametryn residues in sugarcane juice by gas chromatography-mass spectrometry under selected ion monitoring(GC-MS/SIM).The pretreatment and chromatographic conditions were optimized.Under the optimal conditions,good linearities were obtained for 2 herbicides in the range of 0.00-0.60 mg/L with detection limits of 0.001 mg/L for both atrazine and ametryn.The average recoveries of 2 herbicide residues at spiked level of 0.050-0.100 mg/L were in the range of 93%-106%,with RSDs(n=6) of 4.4%-10.7%.The method showed the advantages of simplicity,repeatability,and sensitivity,and could be applied in the determination of atrazine and ametryn residues in sugarcane juice.

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What this paper is about

A new method was established for the simultaneous determination of atrazine and ametryn residues in sugarcane juice by gas chromatography-mass spectrometry under selected ion monitoring(GC-MS/SIM).The pretreatment and chromatographic conditions were optimized.Under the optimal conditions,good linearities were obtained for 2 herbicides in the range of 0.00-0.60 mg/L with detection limits of 0.001 mg/L for both atrazine and ametryn.The average recoveries of 2 herbicide residues at spiked level of 0.050-0.100 mg/L were in the range of 93%-106%,with RSDs(n=6) of 4.4%-10.7%.The method showed the advantages of simplicity,repeatability,and sensitivity,and could be applied in the determination of atrazine and ametryn residues in sugarcane juice.

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Available abstract

A new method was established for the simultaneous determination of atrazine and ametryn residues in sugarcane juice by gas chromatography-mass spectrometry under selected ion monitoring(GC-MS/SIM).The pretreatment and chromatographic conditions were optimized.Under the optimal conditions,good linearities were obtained for 2 herbicides in the range of 0.00-0.60 mg/L with detection limits of 0.001 mg/L for both atrazine and ametryn.The average recoveries of 2 herbicide residues at spiked level of 0.050-0.100 mg/L were in the range of 93%-106%,with RSDs(n=6) of 4.4%-10.7%.The method showed the advantages of simplicity,repeatability,and sensitivity,and could be applied in the determination of atrazine and ametryn residues in sugarcane juice.

Key concepts: Chemistry, Atrazine, Chromatography, Mass spectrometry, Gas chromatography, Repeatability, Pesticide, Agronomy

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Simultaneous Determination of Atrazine and Ametryn Residues in Sugarcane Juice by Gas Chromatography-Mass Spectrometry — Research Paper | ScholarLens