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Index Type : Diğer Hakemli Dergi ✕Researcher : Ali Osman SOLAK ✕
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Prof. Dr. Ali Osman SOLAKMühendislik Fakültesi
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Surface pKa determination of benzoic acid modified gold electrode by electrochemical and contact angle measurement methods

Sebahattin BALCI | Ali Osman SOLAK

pKa values of the organic surfaces were determined with ionizable carboxylic acid groups, obtained by the modification of gold electrode by reduction of p-benzoic acid diazonium tetrafluoroborate and oxidation of p-aminobenzoic acid. Cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) techniques were used in the surface pKa determination, by exploiting the barrier effect arising from the charged nature of the surface against the electrochemistry of Fe(CN)64-/3- redox probe. Contact angle measurement (CAM) technique was also used to compare the accuracy of the surface pKa v ...More

Article 2014 Mühendislik Fakültesi MANAS Journal of Engineering (MJEN)2 ( 1 ) 112 Views
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Reduction Mechanism Investigation Of Some Schiff Base Podand Derivatives At Glassy Carbon Electrode By Using Electrochemical Techniques

Ali Osman SOLAK

Electrochemical reduction mechanism of some salicylaldimine podands derived from salicylaldehyde and diamines having general formula of HO-C6H4-CH=N-R-N=CH-C6H4-OH [R = ‒, (CH2)6, (CH2CH2)2NH, (CH2CH2OCH2)2], namely N,N’-bis(salicylidene)-diamine (BSA), N,N’-bis(salicylidene)-1,6-hexanediamine (BSH), 1,7-bis(2-hydroxybenzyl)-1,4,7-triazaheptane (BST), 1,10-bis(2-hydroxybenzyl)-4,7-dioxa–1,10-diazadecane (BDD), respectively, were investigated by using various electrochemical techniques in 0.1 M tetrabutylammonium tetrafluoroborate (TBATFB) in acetonitrile (MeCN) at a glassy carbon (GC) electrod ...More

Article 2014 Mühendislik Fakültesi MANAS Journal of Engineering (MJEN)2 ( 2 ) 74 Views
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