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electroanalysis of bentazon residues in salvia officinalis extract essential oils using znfe2o4 anchored on reduced graphene oxide nanoparticles modified electrode
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نویسنده
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hasanpour foroozan ,teimouri mina ,eghbali akram
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منبع
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iranian journal of analytical chemistry - 2018 - دوره : 5 - شماره : 2 - صفحه:56 -61
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چکیده
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Essential oil of bentazon- treated plants were extracted and herbicide content analyzed by electrochemical method. for this propose, carbon paste electrode was modified using znfe2o4 anchored on reduced graphene oxide which synthesized by solvothermal approach. the nature and morphology of nanoparticles were characterized using xrd, ft-ir and fe- sem image. under optimal experimental condition, modified electrode produces powerful oxidation signal for bentazon at +0.95 v (vs. ag/agcl). the anodic current was increased linearly with bentazon concentration in the range of 0.1 -20.0 μmol l^-1 with a detection limit of 0.07 μmol l^-1. the practical usage of modified electrode was evaluated by electro analysis of extracted bentzon residues at three applied doses which revealed reasonable results
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کلیدواژه
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bentazon residual ,electroanalysis ,carbon paste electrode ,essential oil samples
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آدرس
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payame noor university, chemistry department, ایران, isfahan university of technology, college of agriculture, departments of agronomy and plant breeding, ایران, payame noor university, physics department, ایران
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آنالیز الکتروشیمیایی بنتازون باقیمانده در عصاره گیاه مریمگلی با استفاده از الکترود اصلاحشده با ZnFe2O4 نشسته برروی نانوذرات گرافن
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Authors
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حسن پور فروزان ,تیموری مینا ,اقبالی اکرم
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