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Title

PREPARATION OF MODIFIED ELECTRODE BY MOLECULARLY IMPRINTED POLYMER FOR DETERMINATION OF METYLE VIOLOGENE

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Abstract

 THE GOAL OF THIS PROJECT IS PREPARATION OF MODIFIED ELECTRODE BY MOLECULARLY IMPRINTED POLYMER FOR MEASURING THE METYLE VIOLOGENE. (METYLE VIOLOGENE) IS ONE OF THE PESTICIDES WHICH IS CONSUMING IN AGRICULTURE DIVISION IN VARIOUS PARTS OF OUR COUNTRY DUE TO ITS WIDE SPECTRUM OF HERB KILLING EFFECT AND APPROXIMATELY LOW PRICE. THE POISONING AMOUNT OF THIS PESTICIDE IS 129-157 MG/L FOR MAMMALS AND 5.2-32 MG/L FOR FISHES. PARAQUAT IS EXTREMELY TOXIC TO HUMANS (LD50. 35 MG/KG) [1].THE METHOD OF MEASUREMENT IN THIS PROJECT IS DIFFERENTIAL PULSE VOLTAMMETRY [2]. IN WHICH TWO POSITIVELY CHARGED QUATERNARY NITROGEN ATOMS OF PARAQUAT CATION HAS BEEN REDUCED BY APPLYING NEGATIVE POTENTIAL AND CATIONIC CURRENT [3], CONSIDERED AS THE BASE OF MEASUREMENT, WILL BE RESULTED FROM. A CONVENTIONAL THREE ELECTRODE SYSTEM WAS USED IN THIS WORK, A GLASSY CARBON, WAS USED AS WORKING ELECTRODE, POLY PYRROLE IN ADDITION(METYLE VIOLOGENE) IS AN APPROPRIATE MATRIX FOR MODIFYING THE SURFACE OF ELECTRODE.IN ORDER TO CREATING THIS SURFACE CYCLIC VOLTAMMETRY METHOD WAS USED [4], PARAMETERS SUCH AS SCAN RATE, TEMPLATE CONCENTRATIONS IN ADDITION, MEASUREMENT CONDITIONS CONSIST OF PH AND SUPPORT ELECTROLYTE AND ELUSION METHOD HAVE BEEN OPTIMIZED. IN OPTIMIZED CONDITION LIMIT OF DETECTIONIS0.22MM

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