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Determination of dithiocarbamate fungicide using copper solid amalgam electrode
Authors: Nováková Kateřina | Navrátil Tomáš | Jaklová Dytrtová Jana | Chýlková Jaromíra
Year: 2012
Type of publication: článek ve sborníku
Name of source: International Conference Proceedings of PSCR
Publisher name: Planetary Scientific Research Center
Place: Singapore
Page from-to: 43-46
Titles:
Language Name Abstract Keywords
cze Stanovení fungicidu pomocí měděné pevné amalgámové elektrody Bylo studováno voltametrické chování Thiramu s použitím rtuťové modifikované pevné amalgámové elektrody. thiram; pevná amalgámová elektroda; voltametrie
eng Determination of dithiocarbamate fungicide using copper solid amalgam electrode With mercury modified copper solid amalgam electrode (inner diameter 1.5 mm), the voltammetric behavior of thiram was studied. Differential pulse voltammetry (DPV) and direct current voltammetry (DCV) were utilized for this purpose. The reaction mechanism was investigated using DCV and elimination voltammetry with linear scan (EVLS). The optimum conditions for DPV determination of thiram were found in Britton-Robinson (BR) buffer of pH = 5, initial potential Ein = +100 mV and accumulation potential Eacc = -200 mV vs. Ag/AgCl/3M KCl, scan rate 20 mV.s-1. Applying prolonged accumulation time (100 s), the limit of detection 3×10-9 mol.L-1 was reached. Thiram; Cooper, Solid amalgam electrode; Voltammetry