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Determination of trace borohydride in basic solutions using differential pulse polarography
Trace borohydride etermination ifferential pulse polarography opper interference
2010/4/8
Synthesis of borohydride is important because of its use as a hydrogen energy source. The objective of this study was to develop a new and simple method for the trace determination of borohydride so t...
Voltammetric Determination of Ascorbic Acid and Dopamine Simultaneously at a Single Crystal Au(111) Electrode
Au(111) single-crystal electrode dopamine ascorbic acid voltammetry simultaneous determination
2010/4/9
A single-crystal Au(111) electrode was used for the simultaneous determination of dopamine (DA) and ascorbic acid (AA) in a phosphate buffer solution at pH 6.9. The single-crystal Au(111) electrode di...
Determination of Trace Amounts of Vanadium by Kinetic-Catalytic Spectrophotometric Methods
kinetic-catalytic method SPADNS methylthymol blue vanadium
2007/12/19
摘要 Kinetic-catalytic spectrophotometric methods were proposed for the determination of trace amounts of vanadium element as vanadium(IV) and/or V(V) ions. The vanadium(IV) as VO2＋ ion and/or vanadium(...
Catalytic Kinetic Spectrophotometric Method for Determination of Phosphate Ion
kinetic spectrophotometric method sodium pyrogallol-5-sulphonate phosphate oxygen oxidation determination water soil
2007/12/19
摘要 The kinetic method for the determination of phosphate microamounts was described. The developed method is based on catalytic effect of phosphate on sodium pyrogallol-5-sulphonate (PS) by dissolved ...
Extraction-Spectrophotometric Determination of Trace Amounts of Barium and Strontium by 18-Crown-6 and Rose Bengal Using Partial Least Squares
Partial least squares Extraction-spectrophotometric determination Barium Strontium
2010/4/19
Partial least squares modeling is a powerful multivariate statistical tool applied to extraction-spectrophotometric simultaneous determination of mixtures of barium and strontium. The method is based ...
The Electroanalytical Determination of Sodium Borohydride Using a Gold Electrode
Borohydride square wave voltammetry electrolysis
2010/4/20
It was shown that square wave voltammetry, a technique with a much lower detection limit, could be successfully used in the detection of borohydride formed in alkaline medium. A Au electrode was found...
Development of Gold Porous Plate Electrode and Examination of Its Performance for Iodine Determination
Gold porous plate electrode determination of iodine voltammetry
2010/4/20
A novel procedure for the construction of a home-made gold porous plate electrode is described. A plate of silver and gold alloy was treated with nitric acid or alternatively by anodic oxidation to r...
Catalytic Spectrophotometric Determination of Chromium
Chromium catalytic determination sulfanilic acid hydrogen peroxide tap and industrial waters
2010/4/20
The catalytic effect of chromium(III) and chromium(VI) on the oxidation of sulfanilic acid by hydrogen peroxide was studied. The reaction was followed spectrophotometrically by measuring the absorbanc...
Anodic Stripping Voltammetric Behavior of Mercury in Chloride Medium and its Determination at a Gold Film Electrode
Mercury determination gold film electrode anodic stripping voltammetry heamodialysis solution
2010/4/20
The electrochemical behavior of aqueous Hg(II) ions at a gold film electrode is described. The effects of supporting electrolyte and halide ions on the anodic stripping voltammetric behavior of Hg(II)...
A Novel Method for the Spectrophotometric Determination of Thallium Using Methiomeprazine Hydrochloride
Methiomeprazine hydrochloride (MMH) thallium(III) determination spectrophotometry
2010/4/20
A new, simple, sensitive, and rapid spectrophotometric method is proposed for the determination of trace amounts of thallium(III). The method is based on the oxidation of methiomeprazine hydrochloride...
The Atomic Absorption Spectrophotometric Method for Indirect Determination of Nimodipine in Tablets
Aromatic nitro compounds Cadmium ion Pharmaceutical analysis Indirect determination
2010/4/20
A simple indirect atomic absorption spectrophotometric (AAS) method is described for the analysis of nimodipine in tablet formulations. The method is based on the reduction of the antihypertensive dru...
Anodic Stripping Voltammetric Determination of Gold on a Polyvinylferrocene Coated Glassy Carbon Electrode
Polyvinylferrocene modified electrode gold determination anodic stripping voltammetry tetrahalo complexes of gold
2010/4/20
The anodic stripping voltammetric determination of gold was accomplished on a chemically modified glassy carbon electrode in a solution containing chloride ions. A modifying polymer, polyvinylferrocen...
Determination of Trace Amounts of Iodide by an Inhibition Kinetic Spectrophotometric Method
Co(III)-EDTA inhibition kinetic iodide initial rate method and spectrophotometry
2010/4/21
Determination of Trace Amounts of Iodide by an Inhibition Kinetic Spectrophotometric Method.
Voltammetric and Flow Injection Amperometric Determination of Cysteine at a Glassy Carbon Electrode in the Presence of Copper(II) Ions
Voltammetric Flow Injection Amperometric Determination Copper(II) Ions
2010/4/21
The voltammetric behaviour of cysteine was investigated in the presence of Cu(II) ions at a rotating glassy carbon electrode (RGCE). Two reduction peaks related to the successive reduction of the cyst...
Flow Injection Amperometric Determination of Ascorbic Acid Using a Photoelectrochemical Reaction after Immobilization of Methylene Blue on Muscovite
Photoelectrochemical analysis flow injection analysis ascorbic acid muscovite methylene blue
2010/4/21
Flow Injection Amperometric Determination of Ascorbic Acid Using a Photoelectrochemical Reaction after Immobilization of Methylene Blue on Muscovite.