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Stability study of passive film on copper surface as a function of anodic potential
Electrochemical impedance spectroscopy model circuits copper surface passive film transition stage interfaces diffusion coefficient
2011/4/6
Results for passive film formation and breakdown on copper disk electrodes in buffer solutions, pH 9.2 and 8.5, were reported earlier. The present studies were carried out in a buffer solution, pH 8.0...
Pore structure and surface acidity evaluation of Fe-PILCs
Pillared clays delaminated clays characterisation surface area surface acidity
2010/4/8
Fe-PILCs via different conditions using smectites from Hancili (Turkey) and Wyoming (USA) were synthesised. Presaturation had little effects on the basal spacing values while it had important effects ...
Investigation of the Surface Acidity of a Bentonite Modified by Acid Activation and Thermal Treatment
Acid activation bentonite n-butylamine pore volume surface acidity surface area thermal treatment
2010/4/21
The adsorption of n-butylamine from its solution in cyclohexane on acid-activated and thermally treated Kütahya/Turkey bentonite (KB) samples was followed using a UV-VIS spectrophotometric method. The...