Determination of thiram in water and soils by cathodic stripping voltammetry based on adsorptive accumulation

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1988 English Publisher:Springer Science and Business Media LLCJournal:Fresenius' Zeitschrift für analytische Chemie, volume 331, pages 27-29 (issn: 0016-1152,

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Authors: Jesús Rodriguez Procopio; M. Teresa Sevilla Escribano; Lucas Hernandez Hernandez;

doi: 10.1007/bf00473890

Determination of thiram in water and soils by cathodic stripping voltammetry based on adsorptive accumulation

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Abstract

A very sensitive electrochemical stripping procedure for thiram is reported. Accumulation is achieved by adsorption of the compound on the hanging mercury drop electrode. Optimal experimental parameters include an accumulation potential of −0.2 V vs. Ag/AgCl, a 0.075 mol/l ammonia solution as supporting electrolyte and a differential pulse stripping mode. The detection limit is 0.3 ng ml−1 after 120 s accumulation and 0.03 ng ml−1 after 600 s accumulation. Results are reported for water and soil samples.

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Autonomous University of Madrid
Spain

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