Zobrazeno 1 - 10
of 33
pro vyhledávání: '"A B Valiotti"'
Publikováno v:
Russian Journal of General Chemistry. 84:545-549
Phase-transfer potentiometric titration with potentiometric pH control in the system chloroform-aqueous electrolyte solution was used to determine basicity constants for octamethyl-substituted tetraphenylporphyrins. The pH ranges were determined, whe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b232f52c220b624be75c857ac7a6a319
https://doi.org/10.1134/s1070363214030220
https://doi.org/10.1134/s1070363214030220
Publikováno v:
Russian Journal of General Chemistry. 84:98-102
The basicity constants of a series of para-substituted tetraphenylporphyrins have been determined by two-phase spectrophotometric titration with pH monitoring in the chloroform-aqueous electrolyte solution system; the pH ranges of prevailing of the d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f03465c6edf893c2d25041354a58d4c7
https://doi.org/10.1134/s1070363214010150
https://doi.org/10.1134/s1070363214010150
Publikováno v:
Russian Journal of Electrochemistry. 49:856-862
Anion-selective electrodes with polymer membranes based on manganese(III) tetraphenylporphyrin (TPP) complexes with various axial ligands (chloride, perchlorate, nitrate, and rhodanide) were studied. The electrodes showed high (compared with other an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2531903ed7d1bcb97e98cf062878989
https://doi.org/10.1134/s1023193513090115
https://doi.org/10.1134/s1023193513090115
Publikováno v:
Russian Journal of General Chemistry. 81:762-767
Protolytic properties of holmium tetraphenylporphyrinchloride were studied by the method of two-phase spectrophotometric titration with potentiometric monitoring of pH of the medium. Apparent constants of the heterophase reaction of the exchange of a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8cd96869e38ef97cf90fc4daef9413b
https://doi.org/10.1134/s1070363211040256
https://doi.org/10.1134/s1070363211040256
Autor:
A. B. Valiotti, R. A. Abakumova
Publikováno v:
Russian Journal of Applied Chemistry. 77:1623-1626
The complexation of a sterically hindered cobalt porphyrin with 1-methyl imidazole and its reaction of reversible binding of oxygen was studied. Spectrophotometry and potentiometry were used to determine the equilibrium constant of the oxygenation pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90999795db50b15c8b532e31b71f33ca
https://doi.org/10.1007/s11167-005-0084-7
https://doi.org/10.1007/s11167-005-0084-7
Autor:
Konstantin N. Mikhelson, O. E. Vasil’eva, E. A. Kopylova, G. I. Shumilova, R. A. Abakumova, A. B. Valiotti
Publikováno v:
Russian Journal of General Chemistry. 73:300-307
The response of plasticized polyvinyl chloride membranes containing tetraphenylporphyrin on the pH of the aqueous solution was systematically studied. The concentration of teraphenylporphyrin in the membrane, the polarity of the membrane solvent, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b94817b3d7aeaa5a22dd764427874b0e
https://doi.org/10.1023/a:1024764726797
https://doi.org/10.1023/a:1024764726797
Publikováno v:
Russian Journal of Electrochemistry. 37:95-101
Porphyrins and related compounds (metalloporphyrins, phthalocyanines, etc.), owing to their unique complexing properties, are used ever more frequently as membrane-active components in membranes of ion-selective electrodes. The work examines electroc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68347f4209adf58d24750728e9837a74
https://doi.org/10.1023/a:1009040031155
https://doi.org/10.1023/a:1009040031155
Autor:
D. V. Korol’kov, A B Valiotti
Publikováno v:
Russian Chemical Reviews. 74:113-115
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::048b2c03a16be532c4887a64cf017ba2
https://doi.org/10.1070/rc2005v074n02abeh000969
https://doi.org/10.1070/rc2005v074n02abeh000969
Autor:
A. B. Valiotti, R. A. Abakumova
Publikováno v:
Russian Journal of Applied Chemistry. 75:1614-1616
A solid-contact electrode based on cobalt tetraphenyl porphin, sensitive to pyridine concentration, was studied. The properties of this electrode were analyzed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c5fc4b06c2c561b5a2e273b6727e56c
https://doi.org/10.1023/a:1022267432224
https://doi.org/10.1023/a:1022267432224
Autor:
N. B. Valiotti, G. E. Zaikov
Publikováno v:
International Journal of Polymeric Materials and Polymeric Biomaterials. 16:261-266
Relaxation transitions in polycaproamide (PCA) are studied by the linear dilatometry method during heating in the temperature range of from 20°C to 130°C. The method of determining the kinetic parameters (relaxation times, the pre-exponential facto
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7fb564cdaf19cdefb6cbe7591118732d
https://doi.org/10.1080/00914039208035427
https://doi.org/10.1080/00914039208035427