studies on the coulometric determination of uranium and

Notes on the Quality of Performance of Serum Cholesterol Assays

Purdy (1969) utilised the coulometric titration of cholesterol with bromine to effect quantitation after thin-layer chromatography of serum extracts. Richmond (1972) indicated that the enzymic oxida tion of cholesterol to LJ4-cholestenone could be made the basis

2012 [16] F. Esaka, C.G. Lee, M. Magara and T. Kimura,

2012 [16] F. Esaka, C.G. Lee, M. Magara and T. Kimura, "Fission track – secondary ion mass spectrometry as a tool for detecting isotopic signature of individual uranium containing particles", Analytica Chimica Acta, in press. [15] C.G. Lee, D. Suzuki, Y.S

Studies on the coulometric determination of uranium and

1993/12/1Studies on the coulometric determination of uranium and plutonium employing a graphite electrode H. S. Sharma 1, R. B. Manolkar 1, J. V. Kamat 1 S. G. Marathe 1 Fresenius' Journal of Analytical Chemistry volume 347, pages 486–490(1993)Cite this article

METHODS AND OBJECTS OF CHEMICAL ANALYSIS

1. Moxon R. E. Automatic methods for the determination of total inorganic iodine and free iodide in waters. Analyst. 1984, 109(4), 425–430. 2. Kurzawa J., Janowicz K., Kurzawa Z. Determination of microgram amounts of cyanide by the induced iodine-azide 3.

BI

A titrstion mechanism for the role of vanadyl sulphate which is in conformity with the observations made in coulometric titration of uranium, is proposed. The reproducibility is about 3. The assay is similar to a previously described method for the determination of bi-amperomerric and iodine Owhich were titrated with standard iodate in hydrochloric acid solution.

(PDF) Liquid

The urea determination was based on coulometric titration of the amount of mnia produced by the stoichiometric conversion of urea by the enzyme urease. Rrior to the determination the pH values of the sample, the urease solution, and the supporting electrolyte were adjusted to 7.50.

Advanced Measuring (Instrumentation) Methods for

The nuclear technology has been widely used in the world. The research of measurement in nuclear installations involves many aspects, such as nuclear reactors, nuclear fuel cycle, safety and security, nuclear accident, after action, analysis, and environmental applications. In last decades, many advanced measuring devices and techniques have been widely applied in nuclear installations. This

Studies on the coulometric determination of uranium (VI)

The coulometric determination of uranium (VI) by using a mercury cathode at a controlled potential was studied by G. L. Booman, W. B. Holbrook and ]. E. Rein(2)). It was found to be very useful for the analysis of uranium in a highly enriched nuclear element

Federation of American Scientists

microgram-sensitive method for determining uranium, fabrication of the first automated controlled-potential coulometric analyzer for determining plutonium, preparation of a 244Pumaterial for distribution by NBS as a SRM, and determination of the half-life of 28'Pu

Studies of factors affecting uranium determinations by

Harrar, J E, and Boyle, W G. Studies of factors affecting uranium determinations by automated coulometric titration (New Brunswick Laboratory/Davies--Gray Method).United States: N. p., 1976. Harrar, J E, Boyle, W G. Studies of factors affecting uranium determinations by automated coulometric titration (New Brunswick Laboratory/Davies--Gray Method).

Application of Surface

The reduction of hexavalent uranium in 1 M H2SO4 at DME was found to be retarded by a non ionic surfactant Triton X 100 and to shift the uranium wave to more negative potentials. Advantage was taken of this fact to determine the elements Hg(II), Fe(III), V(V), As

Determination of uranium and plutonium in plutonium

A method is described for the sequential determination of uranium and plutonium in plutonium bearing fuel materials. Uranium and plutonium are reduced to U(IV) and Pu(III) with titanous chloride and then titrated with dichromate to two end points which are detected amperometrically using two polarized platinum electrodes. Uranium-plutonium solutions of known concentrations containing plutonium

(PDF) Liquid

The urea determination was based on coulometric titration of the amount of mnia produced by the stoichiometric conversion of urea by the enzyme urease. Rrior to the determination the pH values of the sample, the urease solution, and the supporting electrolyte were adjusted to 7.50.

Inorganic Materials Analysis and Phase Identification

Determination of unknown solids is critical to studies in geology, environmental science, material science, engineering, and polymer sciences. In addition to routine crystalline phase identification, we are able to develop specific methods for quantitative and semi

2012 [16] F. Esaka, C.G. Lee, M. Magara and T. Kimura,

2012 [16] F. Esaka, C.G. Lee, M. Magara and T. Kimura, "Fission track – secondary ion mass spectrometry as a tool for detecting isotopic signature of individual uranium containing particles", Analytica Chimica Acta, in press. [15] C.G. Lee, D. Suzuki, Y.S

Electroreduction of Samarium(III} in Calcium Nitrate Tetrahydrate

to samarium(II) and its coulometric determination in aqueous medium were reported by Feldman and Purdy, Wise7 and Saxena, However, there is no report on electroreduction of Sm(III) in the fused hydrated salts. Presently we have studied the polarographic

Journal of the Chinese Chemical Society: Vol 8, No 1‐2

Polarographic Studies of Dipicrylamine. III. Coulometric Determination of n, Number of Electrons Involved in the Reduction of Dipicrylaminate Ion on the Dropping Mercury Electrode Zui‐Feng Lin Pages: 51-55 First Published: March 1961

PETER W. CARR PUBLICATIONS Peter W. Carr Publications 1966

1. P.W. Carr and L. Meites, Automatic and Coulometric Titrations in Studies of Chemical Kinetics. III. Evalu-ation of the Rate Constant for the Disproportionation of Uranium(V) by Automatic Amperom`etric Titrations of Uranium(VI) with Chromium(II), 12, 2. J.

(PDF) Determination of Calcite and Dolomite Content in

Determination of Calcite and Dolomite Content in Soils and Paleosols by Continuous Coulometric Titration Soil MineralogyT he ability to accurately determine the fraction of calcite and dolomite composing the total carbonate in a sample is important in investigations

10.1016/j.talanta.2006.06.030

However, in solutions having more than 50% of uranium, interference of uranium in the determination of gallium was observed. At −0.95 V, U(VI) and Ga(III) are reduced simultaneously, and due to stronger hydrolysis tendency of U(IV), turbidity in the mixed electrolyte medium was observed.

COLORIMETRIC DETERMINATION OF URANIUM(IV)

A coulometric titration method was developed for the determination of uranium in HNO/sub 3/ solutions. Uranium was reduced to the (IV) state and was titrated with electrolytically generated cerium(IV). The colorimetric end point was detected automatically by a

The Fundamentals of Reduction of UO 2 2+ Ions on a Pt

The Fundamentals of Reduction of UO 2 2+ Ions on a Pt Electrode and Methods for Improving Reduction Current Efficiency Yeon, Jei-Won (Nuclear Chemistry Research Division, Korea Atomic Energy Research Institute) ; Pyun, Su-Il (Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology)

Electroreduction of Samarium(III} in Calcium Nitrate Tetrahydrate

to samarium(II) and its coulometric determination in aqueous medium were reported by Feldman and Purdy, Wise7 and Saxena, However, there is no report on electroreduction of Sm(III) in the fused hydrated salts. Presently we have studied the polarographic

Studies on controlled potential coulometric determination

2007/2/28Controlled potential coulometric (CPC) studies were carried out for developing a method to determine gallium at milligram levels, in the mixed supporting electrolyte medium (4 M NaClO 4 + 0.5 M NaSCN), employing stirring mercury as a working electrode. + 0.5 M NaSCN), employing stirring mercury as a working electrode.

Advanced Measuring (Instrumentation) Methods for

The nuclear technology has been widely used in the world. The research of measurement in nuclear installations involves many aspects, such as nuclear reactors, nuclear fuel cycle, safety and security, nuclear accident, after action, analysis, and environmental applications. In last decades, many advanced measuring devices and techniques have been widely applied in nuclear installations. This

PETER W. CARR PUBLICATIONS Peter W. Carr Publications 1966

1. P.W. Carr and L. Meites, Automatic and Coulometric Titrations in Studies of Chemical Kinetics. III. Evalu-ation of the Rate Constant for the Disproportionation of Uranium(V) by Automatic Amperom`etric Titrations of Uranium(VI) with Chromium(II), 12, 2. J.

BI

Uranium in uranyl nitrate, uranium trioxide and a high-purity uranium metal was assayed by the coulometric titration with biamperometric end-point detection. The reduced uranium was reoxidized to uranium VI with a large excess of ferric ion at a room temperature, and the ferrous ion produced was titrated with the electrogenerated manganese III fluoride.

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