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Найденный: 3 Экземпляр 0.002 sn
Источник : MANAS Journal of Eng ... ✕Ученые : 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 ...Более

Статья 2014 Mühendislik Fakültesi MANAS Journal of Engineering (MJEN)2 ( 1 ) 112 Просмотры
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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 ...Более

Статья 2014 Mühendislik Fakültesi MANAS Journal of Engineering (MJEN)2 ( 2 ) 74 Просмотры
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Electrochemical Detection of Cadmium and Lead in Rice on Manganese dioxide Reinforced Carboxylated Graphene Oxide Nanofilm

Ali Osman SOLAK

Manganese dioxide decorated carboxylated graphene oxide (Mn-GO-COOH) attached onto the glassy carbon (GC) electrode to develop a new method for the simultaneous determination of Cd2+ and Pb2+ ions in rice samples. Graphene oxide (GO) was attached on 4-aminophenyl covalently modified glassy carbon surface via amide reaction. As-prepared modified material was characterized with XPS, SEM and electrochemical methods. A novel differential pulse anodic stripping voltammetric (DPASV) method was developed for the simultaneous determination of Cd2+ and Pb2+ on the GC/Mn-GO-COOH nanoplatform electrode. ...Более

Статья 2018 Mühendislik Fakültesi MANAS Journal of Engineering (MJEN)6 ( 2 ) 45 Просмотры
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