mercury electrode
Electrochemical Investigation of Some Pharmaceutical Compounds at Mercury Electrode
... at mercury electrode in universal buffer solution via various voltammetric methods in order to give some light on the elucidation of the mechanistic pathway and determination of the heterogeneous and ...
8
Electrochemical Behavior of Copper(II) salen in Aqueous Phosphate Buffer at the Mercury Electrode
... The results obtained by DC, DPP, DPV, CV, and SWV indicate that Cu(II) salen and the product of its reduction, in aqueous phosphate electrolyte, adsorb at the mercury electrode surface with a one-electron ...
13
Kinetics of the Liposome Adhesion on a Mercury Electrode: Testing of a Mathematical Model
... single liposome to a film of a finite surface area in milisecond time scale. Adhesion signals of liposomes were also studied by Scholz and coworkers [10] with the purpose to extracts kinetic parameters of ...
7
Interfacial behaviour of glutaric acid at the mercury electrode from 0 1M Na2SO4 solution
... results are reproducible to 0.2 mN m ‒1 at the electrocapillary maximum and ± 0.8 mN m ‒1 at the extremes of the curves. Fig.1 shows that the adsorption of glutaric acid occurs both on positively and negatively charged ...
7
The reduction of l cystine in hydrochloric acid at mercury drop electrodes
... HCl at a HMDE. There is a complete blockage of the elec- trode surface by the amino acids on the cathodic scan and a sharp change in the current in the return anodic scan which is due to the removal of the surface ...
11
Examining Solute-Solvent Interactions at the Electrode Double Layer by Impedance Measurements of Proteins: 2. Prothrombin
... interacts strongly. The idea behind scanning through this wide region is to encompass natural biological surfaces with both positive and negative charges. Thrombosis, which involves intermediate steps of electrochemical ...
21
Influence of Electrode Radius on Apparent Lability of Complex of Amalgam Forming Ions
... the mercury, respectively, and are the bulk concentrations of the complex and the ions, is the stability constant of the complex, is electrode potential, is standard potential of electrode reaction ...
11
New Adsorptive Stripping Determination of ATP with Thorium(IV) on Renewable Silver Amalgam Film Electrode
... required mercury electrodes. The HMDE is the electrode of preference due to its high sensitivity, reproducibility and ...of mercury limits the usage of the mercury electrodes in the analytical ...
10
Electrochemical Determination of Mercury at Trace Levels Using Eichhornia Crassipes Modified Carbon Paste Electrode
... Generally mercury electrode is used in stripping voltammetry for the determination of trace levels of metal ...However, mercury electrodes have the disadvantage of being mechanically unstable during ...
14
Polarographic behavior and analysis of Flumetralin in formulations and environmental samples
... Among the electroalalytical methods, DPP and CV plays an important role because of their rapidity and selectivity in the analysis of pesticide residues.. The electrochemistry of aromatic nitro compounds such as ...
9
Determination of Hypoxanthine in the Presence of Copper by Adsorptive Stripping Voltammetry
... For example, excessive accumulation of uric acid, produced as the end product from hypoxanthine and xanthine metabolism, may result in gout. Higher levels of purines in dialysates and heart perfusates can be an indicator ...
10
Analytical Application Using Modern Electrochemical Techniques
... dropping mercury electrode with a constant flow of mercury ...of mercury drop as electrode provides us uniform area and fresh uncontaminated electrode surface for use over a ...
32
Voltammetric, Potentiality and Thermodynamic Studies of Some Rhodanine Sulfa Drugs Azo Compounds in Aqueous Solutions
... the mercury electrode using dc-polarography, cyclic voltammetry and controlled potential ...the electrode reaction of the studied compounds was elucidated and the kinetic parameters were calculated ...
10
Simultaneous Determination of Erythromycin A in Giant Prawn and Tilapia in Mekong Region by Stripping Square Wave Voltammetry
... 3 The aim of this work was to develop a fast scanning square wave voltammetry using a dropping mercury electrode to quantify erythromycin A. The results demonstrated that it could be used as a simple and ...
14
Determination of Trace Amounts of Boron in Polysilicon by Differential Pulse Voltammetry After Hydrofluoric Acid/Nitric Acid Treatment
... dropping mercury electrode (DME), and the anodic peak of the complex at -460 mV in ammonium acetate buffer with a pH of ...dropping mercury and scan ...
17
Adsorptive voltammetric determination of chlordiazepoxide in pure and dosage forms
... Chlordiazepoxide, (Fig. 1) is [7-chloro-2-(methylamino)-5-phenyl-3H-1,4-benzodiazepine-4- oxide]. This drug may inhibit monosynaptic and polysynaptic reflexes by acting as inhibitory neutral transmitters or by blocking ...
8
Adsorptive Stripping Voltammetric Determination of Tartrazine and Sunset Yellow in Gelatins and Soft Drink Powder in the presence of Cetylpyridinium Bromide
... The electrochemical reduction of tartrazine (4,5–dihydro–5–oxo–1–(4–sulfophenyl)–4– [(sulfophenyl)azo]–1H–pyrazole–3–carboxylic acid trisodium salt) and sunset yellow (1–p– sulfophenylazo–2–naphthol–6–sulfonic acid ...
10
Polarographic and Voltammetric Investigation of Sudan I
... a mercury electrode in B-R buffer electrolyte media by using SWV, DPP, DCP and CV ...a mercury electrode by voltammetric methods up ...
12
Determination of the Antiretroviral Drug Zidovudine in Diluted Alkaline Electrolyte by Adsorptive Stripping Voltammetry at the Mercury Film Electrode
... raphy [9-15], fluorescence polarization immunoassay [16], using diamond paste based immunosensor [17], fluorescence spectroscopy [18] and voltammetry [19-24]. With the recent advancements in properties of the ad- ...
12
Preparation a multi-walled carbon nanotubes-carbon paste electrode based on a sulfanyl phenyl Schiff’s base for selective determination of mercury(II) in environmental water samples
... The modified carbon paste was prepared by hand mixing different amounts of the graphite powder, MWCNTs, paraffin oil and new synthetic ligand with a mortar and crusher. The mixture was packed into polyethylene syringes ...
7