Search Results - "Victor M. Chubarov"

New Approach for Direct Determination of Manganese Valence State in Ferromanganese Nodules by X-ray Fluorescence Spectrometry by Victor M. Chubarov

“…A new X-ray fluorescence technique is proposed as an alternative to the labor-consuming volumetric method for the estimation of manganese valence state in…”
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Geochemical Records of the Late Glacial and Holocene Paleoenvironmental Changes from the Lake Kaskadnoe-1 Sediments (East Sayan Mountains, South Siberia) by Elena V. Bezrukova, Alena A. Amosova, Victor M. Chubarov

“…Long-term and continuous lake sedimentary records offer enormous potential for interpreting paleoenvironmental histories and for understanding how terrestrial…”
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A Workflow for Uncertainty Assessment in Elemental Analysis of Archaeological Ceramics: A Case Study of Neolithic Coarse Pottery from Eastern Siberia by Pashkova, Galina V., Statkus, Mikhail A., Mukhamedova, Maria M., Finkelshtein, Alexander L., Abdrashitova, Irina V., Belozerova, Olga Yu, Chubarov, Victor M., Amosova, Alena A., Maltsev, Artem S., Demonterova, Elena I., Shergin, Dmitriy L.

“…In this study, the assessment of uncertainties introduced at different stages of the elemental analysis of archaeological ceramics has been described using the…”
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Determination of iron and sulfur valence state in coal ashes by wavelength-dispersive X-ray fluorescence spectrometric technique by Chubarov, Victor M., Amosova, Alena A., Finkelshtein, Alexander L.

“…This paper describes the technique developed for X-ray fluorescence determination of sulfur and iron valence state in coal concentrates and ashes. The X-ray…”
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Total-reflection X-ray fluorescence spectrometry as a tool for the direct elemental analysis of ores: Application to iron, manganese, ferromanganese, nickel-copper sulfide ores and ferromanganese nodules by Pashkova, Galina V., Chubarov, Victor M., Akhmetzhanov, Timur F., Zhilicheva, Alena N., Mukhamedova, Maria M., Finkelshtein, Alexandr L., Belozerova, Olga Yu

“…This paper presents a simple and fast method for the determination of major and minor elements in iron, manganese, ferromanganese, nickel‑copper sulfide ores…”
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Determination of major elements by wavelength-dispersive X-ray fluorescence spectrometry and trace elements by inductively coupled plasma mass spectrometry in igneous rocks from the same fused sample (110mg) by Amosova, Alena A., Panteeva, Svetlana V., Chubarov, Victor M., Finkelshtein, Alexandr L.

“…The fusion technique is proposed for simultaneous determination of 35 elements from the same sample. Only 110mg of rock sample was used to obtain fused glasses…”
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Investigation of snow cover solid phase using total‐reflection x‐ray fluorescence method for an assessment of the environmental pollution by Chubarov, Victor M., Maltsev, Artem S., Amosova, Alena A., Chuparina, Elena V., Prosekin, Sergey N., Sokolnikova, Julia V.

“…Snow cover is an important source of data for the study of environmental pollution due to its ability to accumulate atmospheric dust particles. A total…”
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Multielement analysis of continental and lacustrine ferromanganese nodules by WDXRF, TXRF, and ICP-MS methods. Intercomparison study and accuracy assessment by Chubarov, Victor M., Pashkova, Galina V., Panteeva, Svetlana V., Amosova, Alena A.

“…Specific elemental and mineral composition of lacustrine and continental nodules differ substantially from silicate sedimentary rock, oceanic nodules, and…”
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Development and validation of a method for multielement analysis of apatite by total-reflection X-ray fluorescence spectrometry by Maltsev, Artem S., Ivanov, Alexei V., Chubarov, Victor M., Pashkova, Galina V., Panteeva, Svetlana V., Reznitskii, Leonid Z.

“…Apatite group of minerals incorporates a large range of trace metals such as Sr, Y, U, Th, as well as the rare earth elements, that allows obtaining useful…”
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A comparative determination of major components in coal power plant wastes by wavelength dispersive X-ray fluorescence using pellet and fused bead specimens by Chuparina, Elena V., Chubarov, Victor M., Paradina, Ludmila Ph

“…The Na2O, MgO, Al2O3, SiO2, P2O5, K2O, CaO, TiO2, MnO, Fe2O3 and S contents were determined in coal power plant waste by X-ray fluorescence using two sample…”
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Estimation of the Biogenic Silica Content in Lacustrine Bottom Silicate Sediments by X-Ray Diffraction (XRD) and X-Ray Fluorescence (XRF) by Finkelshtein, Alexandr L., Smely, Roman V., Amosova, Alena A., Chubarov, Victor M.

“…In paleoenvironmental work, X-ray diffraction (XRD) and X-ray fluorescence (XRF) are commonly used to quantify the main rock-forming mineral phases and…”
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Characterization of archaeological ceramics from eastern Siberia by total-reflection X-ray fluorescence spectrometry and principal component analysis by Maltsev, Artem S., Pashkova, Galina V., Fernández-Ruiz, Ramón, Demonterova, Elena I., Shuliumova, Anna N., Umarova, Nailya N., Shergin, Dmitriy L., Mukhamedova, Maria M., Chubarov, Victor M., Mikheeva, Ekaterina A.

“…The study of the composition of archaeological ceramics provides information used to assess possible transportation routes and cultural connections between…”
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Features of X‐ray fluorescence determination of rock‐forming elements in powder samples of peat sediments by Amosova, Alena A., Chubarov, Victor, Finkelshtein, Alexandr

“…The features of rock‐forming elements determination in powder samples of peat sediments are considered. Based on theoretical calculations and experimental…”
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Wavelength dispersive X-ray fluorescence determination of major oxides in bottom and peat sediments for paleoclimatic studies by Amosova, Alena A., Chubarov, Victor M., Pashkova, Galina V., Finkelshtein, Alexander L., Bezrukova, Elena V.

“…The wavelength dispersive X-ray fluorescence method was applied to identify the distribution of major oxides within bottom and peat sediments containing…”
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Determination of divalent iron content in igneous rocks of ultrabasic, basic and intermediate compositions by a wavelength-dispersive X-ray fluorescence spectrometric method by Chubarov, Victor M., Finkelshtein, Alexandr L.

“…This paper proposes the quantitative wavelength-dispersive X-ray fluorescence (XRF) technique of divalent iron content determination in igneous rocks and…”
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Determination of platinum valence state in alumina based catalysts by X-Ray fluorescence spectrometry by Chubarov, Victor M., Finkelshtein, Alexandr L., Skornikova, Svetlana A.

“…A novel method for the estimation of the platinum valence state in alumina-based catalysts using the intensities of L- and M-series lines of X-ray fluorescence…”
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Consideration of spectral interference in total reflection X-ray fluorescence analysis using a limited number of calibration samples: Case study of ocean polymetallic nodules by Zhilicheva, Alena N., Pashkova, Galina V., Chubarov, Victor M., Maltsev, Artem S., Kirsanov, Dmitry, Panchuk, Vitaly

“…A novel approach for quantitative analysis in total-reflection X-ray fluorescence (TXRF) which can be employed for the samples with complex matrices inducing…”
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Improvement of suspension-assisted total reflection X-ray fluorescence analysis of ores using wet grinding and empirical calibrations by Pashkova, Galina V., Zhilicheva, Alena N., Chubarov, Victor M., Maltsev, Artem S., Ukhova, Natalya N., Pellinen, Vadim A., Sokolnikova, Julia V., Kirsanov, Dmitry O., Panchuk, Vitaly V., Marfin, Alexander E.

“…In this study, the suspension-assisted total-reflection X-ray fluorescence analysis of ores was improved using the wet grinding procedure to produce ultra-fine…”
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