ADSORPTİON İSOTHERM ON FERRİTES

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Communications Faculty of Sciences University Ankara Series B Chemistry and Chemical Engineering
Volume:40
ADSORPTİON İSOTHERM ON FERRİTES

ADSORPTİON İSOTHERM ON FERRİTES

Authors : G K GOMMA

Pages : 1-1

Doi:10.1501/Commub_0000000410

View : 29 | Download : 8

Publication Date : 1994-01-01

Article Type : Research Paper

Abstract :Tlıe corrosion behaviour of the prepared Materials was studied by mcans of weight-loss techniquc in stagnant solution of insert ignore into journalissuearticles values(0.01 M); sulphuric acid in presence of thiourea as an inhibitor. Higher concentration of thiourea reduces the corrosion rate of thc samples and proteetion effi- cicncy of thiourea was found to be 80 % for ferrites Proteetion is mainly due to adsorption. Corrosion rate inereases with inereasing tcmperaturc. According to Bockris-Swinkels isotherm, one molecule of vater is displaced by five thiourea molecules on the surface. Thermodynamic data for the adsorption process △H0 and /\S° were also calculated and dis- cusscd.
Keywords : ADSORPTİON, FERRİTES, İSOTHERM

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