Zobrazeno 1 - 10 of 14 pro vyhledávání: '"S. L. Didukh"'
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Preconcentration And Determination Of Nickel Ions Using Silica With Functional Groups Of Sulfonic Derivatives Of Nitroso Naphthols
Autor: Vladimir N. Losev, A. N. Mukhina, A. K. Trofimchuk, S. L. Didukh
Publikováno v: Methods and Objects of Chemical Analysis. 14:30-36
Silica based adsorbents modified with polyhexamethylene guanidine and sulfonic derivatives of nitroso naphthols - nitroso-N salt (NNS) and nitroso-R salt (NRS), have been proposed for preconcentration and solid-phase photometric determination of Ni(I
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::750a471b7e8d44ead10d1953b16d24b7
https://doi.org/10.17721/moca.2019.30-36
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3
Application of Silica Chemically Modified by Sulfur-Containing Groups to the Separation and Determination of Platinum and Rhenium in Catalysts Based on Aluminum Oxide
Autor: Vladimir N. Losev, E. V. Elsuf’ev, S. L. Didukh, O. V. Belousov, V. V. Parfenova, O. V. Buiko, N. G. Maksimov
Publikováno v: Journal of Analytical Chemistry. 73:325-333
Adsorbents based on silica chemically modified by sulfur-containing groups (dithiocarbamate, thiodiazolethiol, mercaptophenyl, and aminobenzothiazole) quantitatively extract (recovery ≥99%) platinum( IV) from solutions ranging from 4 M HCl to pH 6.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b9485e8a7f15ee2430537fdf18e96f1b
https://doi.org/10.1134/s106193481804007x
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4
Inorganic Oxides with Immobilized Ferrozine and Ferene for the Sorption–Spectroscopic Determination of Iron(II)
Autor: A. N. Mukhina, Vladimir N. Losev, S. L. Didukh, A. K. Trofimchuk
Publikováno v: Journal of Analytical Chemistry. 73:228-235
Sorbents based on inorganic oxides sequentially modified with polyhexamethylene guanidine, ferrozine, and ferene S are proposed for the preconcentration and determination of iron(II). Upon sorption from solutions with pH 2.5–7.0, colored iron(II) c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ddadb92cba70cd25b23d404f2cefac75
https://doi.org/10.1134/s106193481803005x
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6
Luminescence Determination of Copper(I), Silver(I), Gold(I), and Platinum(II) Using 2-Mercapto-5-Benzimidazolesulfonic Acid, also Immobilized on a Silica Surface
Autor: S. L. Didukh, Vladimir N. Losev, A. K. Trofimchuk, E. A. Siryk, A. I. Kashkevich, S. I. Metelitsa
Publikováno v: Journal of Analytical Chemistry. 73:50-57
2-Mercapto-5-benzimidazolesulfonic acid (MBI), also noncovalently bound to a silica surface, is proposed as a reagent for the low-temperature luminescence determination of Cu(I), Ag(I), Au(I), and Pt(II). Luminescence excitation and luminescence spec
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f8962cd0b5ed1aa416e0205a04bf5069
https://doi.org/10.1134/s1061934818010045
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7
Separation and Determination of Fe(III) and Fe(II) in Natural and Waste Waters Using Silica Gel Sequentially Modified with Polyhexamethylene Guanidine and Tiron
Autor: Olga Zaporogets, S. L. Didukh, Vladimir N. Losev, Elena V. Borodina, A. K. Trofimchuk, Nikolay Maksimov
Publikováno v: Journal of Analytical Methods in Chemistry, Vol 2017 (2017)
Journal of Analytical Methods in Chemistry
Silica gel, sequentially modified with polyhexamethylene guanidine and pyrocatechin-3,5-disulfonic acid (Tiron), was suggested for sorption separation and determination of Fe(III) and Fe(II). It was found that quantitative extraction of Fe(III) and i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::643dc468cbcc7868dc078c6d478ec28a
https://doi.org/10.1155/2017/8208146
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10
Adsorption-photometric determination of iron using silica with nitroso-R salt and nitroso-N salt functional groups
Autor: Vladimir N. Losev, A. N. Mukhina, S. L. Didukh, A. K. Trofimchuk, N. G. Maksimov
Publikováno v: Journal of Analytical Chemistry. 72:47-53
Adsorbents based on silica sequentially modified by polyhexamethylene guanidine and nitroso-R salt or nitroso-N salt are proposed for the preconcentration and adsorption-photometric determination of iron. It is shown that these adsorbents quantitativ
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f7c20557bdea0a345d2c638e5a732784
https://doi.org/10.1134/s1061934817010051
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