نتایج جستجو برای: voltammetry chemical analysis

تعداد نتایج: 3134106  

2004
Yi Tu Yuehe Lin Wassana Yantasee Zhifeng Ren

Fabrication, electrochemical characterization, and applications of low-site density carbon nanotubes based nanoelectrode arrays (CNTs-NEAs) are reported in this work. Spin-coating of an epoxy resin provides a new way to create the electrode passivation layer effectively reducing electrode capacitance and current leakage. Cyclic voltammetry showed the sigmoidal shape curves with low capacitive c...

Journal: :iranian journal of pharmaceutical research 0
saeed shahrokhian department of chemistry, sharif university of technology, tehran 11155-9516, iran, institute for nanoscience and technology, sharif university of technology, tehran, iran masoumeh ghalkhani department of chemistry, sharif university of technology, tehran 11155-9516, iran, department of chemistry, faculty of science, shahid rajaee teacher training university, lavizan, tehran, iran maryam bayat department of chemistry, sharif university of technology, tehran 11155-9516, iran fatemeh ghorbani-bidkorbeh department of pharmaceutics, school of pharmacy, shahid beheshti university of medical sciences, tehran, iran.

the voltammetric performance of edge-plane pyrolytic graphite (epg) electrode via adsorptive stripping voltammetry was investigated for study of the electrochemical behavior of omeprazole (omz) in aqueous solution. the results revealed that the oxidation of omz is an irreversible ph-dependent process that proceeds with the transfer of one electron and one proton in an adsorption-controlled mech...

2017
Milivoj Lovrić

Three fast and reversible electrode reactions that are connected by two reversible chemical reactions that are permanently in the equilibrium are analysed theoretically for square wave voltammetry. The dependence of peak potentials on the dimensionless equilibrium constants of chemical reactions is calculated. The influence of the basic thermodynamic parameters on the square wave voltammetric r...

Journal: :Acta poloniae pharmaceutica 2010
Mariusz Stolarczyk Anna Maślanka Anna Apola Jan Krzek

This is a review of analytical methods, such as spectrophotometry, derivative spectrophotometry and various chromatographic (gas chromatography-GC, high-performance liquid chromatography-HPLC, thin-layer chromatography-TLC, high-performance thin-layer chromatography-HPTLC, liquid chromatography-tandem mass spectrometry-LC-MS, microchip electrophoresis-MCE, capillary electrophoresis-CE) and elec...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

abstract the influence of cation?? and anion?? interactions on the strength and nature of n…h hydrogen bond has been investigated by quantum chemical calculations in s-triazine…3hf complex. ab initio calculations were performed at mp2/6-311++g(d,p) level of theory. the natural bond orbital (nbo) analysis and the bader’s quantum theory of atoms in molecules (aim) were also used to elucidate t...

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