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Zaštita materijala

Article . 2013

Data sources: SCIndeks - Serbian Citation Index

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Inhibitive characteristics of thiazole derivative on copper corrosion in acidic media

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2013 Serbian Journal:Zaštita materijala (issn: 0351-9465,

Authors: Vaštag, Đenđi; Nakomčić, Jelena; Apostolov, Suzana; Matijević, Borko;

Inhibitive characteristics of thiazole derivative on copper corrosion in acidic media

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Abstract

In this paper possibility of corrosion protection of copper was investigated in acidic media using inhibitors. Inhibitor properties of 5-(4'-isopropylbenzylidene)-2,4-dioxotetrahydro-1,3-thiazole, (IPBDT) was tested on copper corrosion in acidic sulfate contains solution (0.1 moldm-3 Na2SO4, pH=2). Using potentiostatic polarization measurements, inhibitor efficiency of IPBDT in a function of concentration was determined. It was found that in investigation range, increasing of inhibitor concentration results better efficiency of IPBDT. The obtained results also show that IPBDT derivative acts as the mixed inhibitor on copper corrosion in acidic media. During corrosion process, inhibitor molecules are adsorbed on the metal surface following mechanism of Langmuir isotherm.

Keywords

thiazole derivative, corrosion, copper, polarization measurements

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