Search Results - "CHIVIREVA, N. A"

IDENTIFICATION AND DETERMINATION OF GERMANIUM CHEMICAL FORMS IN THE OBJECTS OF DIFFERENT NATURE by Chivireva, N. A., Stoianova, I. V., Antonovich, V. P., Zіnchenko, V. F., Chukhriy, Iu. P.

“…On the basis of literary sources data the questions of identification and determination of Germanium chemical forms in various objects are considered. It is…”
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SOME QUESTIONS OF THE SPECIATION ANALYSIS by Antonovich, V. P., Stoyanova, I. V., Chivireva, N. A., Stoyanov, A. O.

“…Speciation analysis is considered to be one of actual trends of modern analytical chemistry. Based on the numerous monographs and reviews its general…”
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Isomorphous substitution of europium for strontium in the structure of synthetic hydroxovanadate by Get’man, E.I., Yablochkova, N.V., Loboda, S.N., Prisedsky, V.V., Antonovich, V.P., Chivireva, N.A.

“…Polycrystalline strontium–europium hydroxovanadates Sr 10− x Eu x (VO 4) 6(OH) 2− x O x were synthesized and studied by X-ray powder diffraction, infrared…”
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THE RESULTS OF KUYALNIC ESTUARY HYDROCHEMICAL MONITORING DURING ITS FILLING WITH ODESSA GALF WATER (DECEMBER 2014 — MARCH 2015) by Antonovich, V. P., Zseltvay, I. I., Tsymbalyuk, K. K., Bolshoy, D. V., Pykhteeva, E. G., Chivireva, N. A., Stoyanova, I. V., Zseltvay, O. I.

“…As part of hydrochemical monitoring of Kuyalnic estuary in the initial period of its filling by the Odessa Bay water (December 2014 – May 2015) chemical…”
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THE INFLUENCE OF ALLOYING FILM-FORMING MATERIAL ZnS ON OPERATIONAL PROPERTIES OF COATINGS by Zinchenko, V. F., Magunov, I. R., Chivireva, N. A., Stoyanova, S. V., Chygrynov, V. E., Mazur, O. S., Timukhin, Ie. V., Mozkova, O. V., Kocherba, G. I.

“…The structure and properties of film-forming material ZnS containing oxide impurity are studied. Methods of the chemical analysis and spectroscopic research of…”
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INFLUENCE OF THE ALLOYING OF FILM-FORMING MATERIAL MGF2 ON OPERATIONAL PROPERTIES OF COATINGS by Zinchenko, V. F., Timukhin, Іe. V., Eremin, O. G., Chivireva, N. A., Chygrynov, V. E., Mozkova, O. V., Kocherba, G. I.

“…The structure and properties of film-forming material MgF2 containing oxide impurity are studied. Material shows a low level of adaptability to manufacture in…”
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RATIONALE OF KUYALNIK ESTUARY FILLING ENVIRONMENTAL SAFETY BY THE BLACK SEA WATERS. CHEMICAL ASPECTS by Antonovich, V. P., Zheltvay, I. I., Chivireva, N. A., Stoyanova, I. V., Zheltvay, O. I., Stoyanov, A. O., Tsymbalyuk, K. K.

“…It was found that currently sulphate and calcium ions content in Kuyalnik brine close to the solubility product of CaSO4. If brine will not by dilute…”
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Rational combination of the dissolution of some inorganic compounds of rare-earth elements with the determination of chemical forms of major constituents in these compounds by ANTONOVICH, V. P, CHIVIREVA, N. A, STOYANOVA, I. V, ZINCHENKO, V. F, EFRYUSHINA, N. P, LASOVSKAYA, O. N, GOLIK, N. N

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Identification and quantitative determination of some inorganic lanthanide compounds by diffuse reflectance spectroscopy by Antonovich, V. P., Stoyanova, I. V., Chivireva, N. A., Timukhin, E. V., Zinchenko, V. F., Efryushina, N. P.

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LUMINESCENT DETERMINATION OF EUROPIUM AND CERIUM IN THE JOINT PRESENCE IN SOLUTIONS – MELTS OF EQUIMOLAR MIXTURES NaCl–KCl by Teslyuk, O. I., Chivireva, N. A., Zinchenko, V. F., Doga, P. G.

“…Europium and Cerium belong to lanthanides of variable valency and have similar chemical properties. Luminescent method was proposed for the analytical…”
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Determination of cerium(III) and cerium(IV) in nanodisperse ceria by chemical methods by Stoianov, O. O., Ivanov, V. K., Shcherbakov, A. B., Stoyanova, I. V., Chivireva, N. A., Antonovich, V. P.

“…Percentages of different valence cerium species have been determined in powdery samples, redispersible compositions, and aqueous sols of nanodisperse ceria…”
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DETERMINATION OF THE AVIOVALENT FORMS OF THE CERIUM IN NANOCRYSTALLINE CERIA by A. O. Stoyanov, V. P. Antonovich, A. B. Shcherbakov, I. V. Stoyanova, N. A. Chivireva

“…The techniques of direct and indirect spectrophotometric determination of aviovalent forms of cerium in the samples of nanocrystalline ceria (NDC) are…”
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IONOMETRIC DETERMINATION OF FLUORINE IN SYNTHETIC FLUORAPATITE AFTER DECOMPOSITION WITH COMPLEXION REAGENT by N. A. Chivireva, O. A. Sakharova, I. V. Stoyanova, A. O. Stoyanov, S. A. Tarasenko, S. V. Toporov

“…It was found that the synthetic fluorapatite (Ca(Sr)10(PO4)6F2), which did not dissolve at the mixture of hydrochloric acid and sodium citrate, fluoride can be…”
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Indirect photometric determination of europium(II) in some inorganic materials containing aliovalent europium species by Stoyanov, A. O., Chivireva, N. A., Stoyanova, I. V., Timukhin, E. V., Antonovich, V. P.

“…A procedure is proposed for the indirect spectrophotometric determination of trace europium(II) in poorly soluble inorganic materials. The approach based on…”
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The protective properties of silikatsink-2 coating in certain electrolytes and organic media by Sofronkov, A. N., Vivdenko, N. I., Korolenko, L. I., Chivireva, N. A., Magdenko, E. I.

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Water resistance of ?Silikatsink-2? coating by Sofronkov, A. N., Vivdenko, N. I., Korolenko, L. I., Chivireva, N. A., Magdenko, E. I.

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Corrosion of ship hull steels under the action of liquid chemical cargoes by Sofronkov, A. N., Vivdenko, N. I., Magdenko, E. I., Chivireva, N. A.

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