Zobrazeno 1 - 10
of 43
pro vyhledávání: '"I Studenyak"'
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 24, Iss 3(71) (2019)
In this paper, the acid-base properties of a number of new 4-hydroxystyryl dyes based on 1-octylpyridinium in solutions have been studied by tristimulus colorimetry and spectrophotometry. The studied dyes are obtained by the interaction of equivalent
Externí odkaz:
https://doaj.org/article/0a0e53c233da4b77bd42f98fe5eb63c9
Autor:
I Martynyuk-Lototska, O Mys, D Adamenko, M Kostyrko, S Bereznyuk, A Solomon, A Pogodin, I Studenyak, R Vlokh
Publikováno v:
Ukrainian Journal of Physical Optics. 23:1-8
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::adcc327e06fd248caf796e7025e52af3
https://doi.org/10.3116/16091833/23/1/1/2022
https://doi.org/10.3116/16091833/23/1/1/2022
Publikováno v:
Journal of Applied Spectroscopy. 87:407-411
The acid–base properties of two novel 4-hydroxystyryl dyes were studied using colorimetric and spectrophotometric methods. The corresponding ionization and hydroxylation constants were determined. Changes of the water: DMSO ratio was shown to cause
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a82b15731dd03e3ce4fa40488221f6f
https://doi.org/10.1007/s10812-020-01015-0
https://doi.org/10.1007/s10812-020-01015-0
Publikováno v:
Scientific Bulletin of the Uzhhorod University. Series «Chemistry». 39:45-51
This work deals with the investigation of assesment of the composition of aqueous dimethylformamide mixtures based on solvatochromic shift of some 4-hydroxystyryl dyes. The purity of the studied dyes was tested. Spectrophotometrical, protolytycal and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ccc7427640a75b5e06f8f324edc16a9
https://doi.org/10.24144/2414-0260.2018.1.45-51
https://doi.org/10.24144/2414-0260.2018.1.45-51
Autor:
Kateryna Bevziuk, Yu. P. Zhukova, Alexander Chebotarev, D. V. Snigur, Ya. I. Studenyak, Ya. R. Bazel
Publikováno v:
Russian Journal of General Chemistry. 87:196-203
Acid-base properties of 4-hydroxystyryl dyes in aqueous solution have been studied by means of chemical tristimulus colorimetry and spectrophotometry. Ionization and hydroxylation constants of the dyes have been determined using chromaticity function
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80653dd03dc84b120fee2b5ace5f1d51
https://doi.org/10.1134/s1070363217020074
https://doi.org/10.1134/s1070363217020074
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 24, Iss 3(71) (2019)
In this paper, the acid-base properties of a number of new 4-hydroxystyryl dyes based on 1-octylpyridinium in solutions have been studied by tristimulus colorimetry and spectrophotometry. The studied dyes are obtained by the interaction of equivalent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::497705e6fbcc2984abeb96aea74a1c88
http://heraldchem.onu.edu.ua/article/view/39-49
http://heraldchem.onu.edu.ua/article/view/39-49
Publikováno v:
Proceedings of X International Scientific and Practical Conference "Electronics and Information Technologies".
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc2c3e1b8d0ad616e93210618875ba70
https://doi.org/10.30970/elit2018.b19
https://doi.org/10.30970/elit2018.b19
Publikováno v:
Journal of Analytical Chemistry. 67:519-526
The optimum conditions of the extraction of the ion associates of platinum with the thiocyanate ions and the polymethine basic dye Astrafloxin FF by aromatic hydrocarbons and acetic acid esters from aqueous and aqueous-organic solutions were studied.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38275873142b850a44880424312eb91f
https://doi.org/10.1134/s1061934812040077
https://doi.org/10.1134/s1061934812040077
Autor:
Yu. M. Azhniuk, I.I. Turok, Ya. I. Studenyak, A.V. Gomonnai, Volodymyr O. Yukhymchuk, Vasyl V. Lopushansky
Publikováno v:
Journal of Physics and Chemistry of Solids. 69:139-146
The effect of heat treatment parameters on the chemical composition and average size of CdS1−xSex nanocrystals obtained in borosilicate glass by diffusion-limited growth is studied by optical absorption and Raman scattering spectroscopy. An increas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::827300f4e036b6e34eb1a6aec2cfeeda
https://doi.org/10.1016/j.jpcs.2007.08.009
https://doi.org/10.1016/j.jpcs.2007.08.009
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