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Source: Russian journal of physical chemistry A. 2023. Vol. 97, № 2. P. 384-391
Type: статьи в журналах
Date: 2023
Description:
A set of physicochemical means is used to study the adsorption properties of surfaces of silicas based on Silochrome C-120 with surface-grafted groups of acetoacetic ester saturated with transition me
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Authors:
Parman, Elisabeth |
Lõkov, Märt |
Järviste, Robert |
Tshepelevitsh, Sofja |
Semenov, Nikolay A. |
Chulanova, Elena A. |
Salnikov, Georgy E. |
Prima, Darya O. |
Slizhov, Yuri G. |
Leito, Ivo |
Zibarev, Andrey V.
Source: ChemPhysChem. 2021. Vol. 22, № 22. P. 2329-2335
Type: статьи в журналах
Date: 2021
Description:
The influence of fluorination on the acid-base properties and the capacity of structurally related 6-5 bicyclic compounds – 1,3-benzodiazole 1, 1,2,3-benzotriazole 2 and 2,1,3-benzoselenadiazole 3 to
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Source: Russian journal of physical chemistry A. 2021. Vol. 95, № 7. P. 1470-1477
Type: статьи в журналах
Date: 2021
Description:
Silica gels based on Silokhrom S-120 chemically modified with malonic ester chelates are studied using a set of physicochemical analytical techniques. The effect that a grafted layer of nickel, cobalt
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Source: Talanta. 2021. Vol. 226. P. 122103 (1-5)
Type: статьи в журналах
Date: 2021
Description:
We developed a new transparent polymer optode based on polymethacrylate with Zr(IV) and alizarin red complex immobilized into it for digital colorimetric and solid-phase spectrophotometric determinati
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Authors:
Makarov, Arkady G. |
Bagryanskaya, Irina Yu. |
Kolesnikov, Andrey E. |
Zargarova, Leila V. |
Baev, Dmitry S. |
Eliseeva, Tatiana F. |
Politanskaya, Larisa V. |
Makarov, Alexander Yu. |
Slizhov, Yuri G. |
Prima, Darya O. |
Zibarev, Andrey V.
Source: ChemistrySelect. 2019. Vol. 4, № 8. P. 2383-2386
Type: статьи в журналах
Date: 2019
Description:
This work suggests a new general synthetic methodology combining organofluorine and heterocyclic chemistry. The methodology is exemplified with n-6 and angular and linear n6-n’ (n, n’=5, 6, 7) scaffol
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Source: Russian journal of physical chemistry A. 2018. Vol. 92, № 1. P. 153-159
Type: статьи в журналах
Date: 2018
Description:
The adsorption properties of a Silipore 200 surface and chemically modified sorption materials containing nickel, cobalt, and copper acetylacetonates are studied via gas chromatography. n-Alkanes (C6–
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Source: Russian journal of applied chemistry. 2018. Vol. 91, № 6. P. 899-907
Type: статьи в журналах
Date: 2018
Description:
Sol-gel technique was used to develop a method for synthesis of hydrated tricalcium aluminate Ca3[Al(OH)6]2 and surface-layered gas-chromatographic sorbents on its basis. The materials obtained were e
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Source: Известия высших учебных заведений. Химия и химическая технология. 2018. Т. 61, № 2. С. 15-22
Type: статьи в журналах
Date: 2018
Description:
Описывается впервые наблюдаемая реакция окисления пероксидом водорода водорастворённых хелатных комплексов индикатора ксиленолового оранжевого с ионами трёхвалентного железа. Реакция сопровождается об
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Source: Russian journal of applied chemistry. 2017. Vol. 90, № 4. P. 533-540
Type: статьи в журналах
Date: 2017
Description:
Adsorbents were obtained on the basis of Silochrome S80 modified with complex compounds of copper(II) and nickel(II) with bidentate nitrogen-containing organic ligands. The gas-chromatographic method
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Source: AIP Conference Proceedings. 2017. Vol. 1899. P. 020006-1-020006-8
Type: статьи в журналах
Date: 2017
Description:
One of the areas of development of gas chromatography is the creation of new chromatographic materials that have improved sorption and analytical characteristics. In this work, for the first time, a n
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Source: AIP Conference Proceedings. 2017. Vol. 1899, № 1. P. 020010-1-020010-7
Type: статьи в журналах
Date: 2017
Description:
Sorbents based on Chromaton N-AW with layers of mesoporous silica gel modified with acetylacetonate nickel (II) and copper (II) were obtained. The porous structure of sorbents based on synthesized sil
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Source: Inorganic materials. 2017. Vol. 53, № 3. P. 287-291
Type: статьи в журналах
Date: 2017
Description:
We have examined the effect of solution acidity on the textural characteristics of silica gels prepared by sol–gel synthesis using tetraethyl orthosilicate (TEOS) as a silica precursor and cetyltrimet
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Source: Journal of physical organic chemistry. 2017. Vol. 30, № 8. P. e3667 (1-10)
Type: статьи в журналах
Date: 2017
Description:
Electrochemical reduction (ECR) and oxidation (ECO) of 5,6,7,8‐tetrafluoroquinoxaline (1) and its derivatives bearing various substituents R (7‐H (2), 7,8‐H2 (3), 6‐CF3 (4), 6‐Cl (5), 5,7‐Cl2 (6), 5‐N
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Source: Russian journal of physical chemistry A. 2017. Vol. 91, № 9. P. 1791-1796
Type: статьи в журналах
Date: 2017
Description:
Gas chromatography sorbents based on Silokhrom C80 and modified by 1-phenylazo-2-naphtholic complexes of 3d metals (Co(II), Ni(II), Cu(II)) are obtained. Their structural, chromatographic, and sorptio
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Authors:
Mikhailovskaya, Tatiana F. |
Makarov, Alexander Yu. |
Pritchina, Elena A. |
Bagryanskaya, Irina Y. |
Vorontsova, Elena V. |
Ivanov, Igor D. |
Tikhova, Vera D. |
Gritsan, Nina P. |
Makarov, Arkady G. |
Selikhova, Natalia Yu. |
Slizhov, Yuri G. |
Zibarev, Andrey V.
Source: Journal of Fluorine Chemistry. 2016. Vol. 183. P. 44-58
Type: статьи в журналах
Date: 2016
Description:
Previously unknown mono-, di- and in some cases tri- and tetra- carbocycle-substituted quinoxalines (2–8), 2,1,3-benzothiadiazoles (11, 12, 14–17) and 2,1,3-benzoselenadiazoles (20-25) were synthesize
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