Zobrazeno 1 - 10
of 19
pro vyhledávání: '"N. O. Mchedlov-Petrosyan"'
Publikováno v:
Colloid Journal. 78:647-651
The features of premicellar aggregation in aqueous solutions of sodium n-octyl, n-nonyl, and n-decyl sulfonate, as well as sodium n-dodecyl sulfate, at a constant ionic strength maintained by adding NaCl are studied by potentiometry using modified io
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a559e0f99c16852ecddd05e8007fcb4e
https://doi.org/10.1134/s1061933x16050124
https://doi.org/10.1134/s1061933x16050124
Autor:
E. A. Reshetnyak, L. P. Loginova, N. A. Nikitina, O. S. Chernysheva, N. O. Mchedlov-Petrosyan
Publikováno v:
Colloid Journal. 76:358-365
Potentiometry has been employed to determine the activity coefficients of n-decyl sulfate and n-alkyl(C5–C10)sulfonate ions in aqueous solutions of their sodium salts containing NaCl or Na2SO4 as a background electrolyte. The selectivity factors ha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb5d778b79d2584e38efe4c751d1a14f
https://doi.org/10.1134/s1061933x14030132
https://doi.org/10.1134/s1061933x14030132
Publikováno v:
Kharkov University Bulletin Chemical Series.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19106e89f6103f4d94c252364328b78a
https://doi.org/10.26565/2220-637x-2016-26-12
https://doi.org/10.26565/2220-637x-2016-26-12
Publikováno v:
Russian Journal of General Chemistry. 79:1859-1889
The survey is dedicated to the critical analysis of different experimental methods of determining the dissociation constants (Ka) of organic acids in solutions. Advantages and disadvantages of the contemporary methods of rapid analysis used in bioche
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af5bf1e8c16b022553063aa7fe8295c4
https://doi.org/10.1134/s1070363209090138
https://doi.org/10.1134/s1070363209090138
Publikováno v:
Russian Journal of General Chemistry. 79:1437-1445
Ionization constants of fluorescein and six its derivatives in water micellar solutions of zwitterionic surfactant, N-cetyl-N,N-dimethyl-3-ammonium-1-propanesulfonate were evaluated spectrophotometrically. On the basis of absorption spectra of dyes c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::227cff90264cb3d5de3a13c011cd00d5
https://doi.org/10.1134/s1070363209070068
https://doi.org/10.1134/s1070363209070068
Publikováno v:
Russian Journal of Physical Chemistry A. 82:1434-1437
A procedure is suggested for determining the distribution constants of methyl orange dye between water and direct microemulsion droplets (N-cetylpyridinium chloride + 1-pentanol + benzene in water) as the disperse phase, which allows one to circumven
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca1134832479200e08dc051bdbced591
https://doi.org/10.1134/s0036024408090033
https://doi.org/10.1134/s0036024408090033
Publikováno v:
Russian Journal of Physical Chemistry A. 82:1451-1455
The solubility of cetyltrimethylammonium perchlorate (CTAP) in propan-2-ol and its mixtures with water was determined by the isothermal saturation method over the whole composition range at 278.15–308.15 K. The solubility products and total standar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9edece4e2b915c139726fcb55756a83c
https://doi.org/10.1134/s0036024408090070
https://doi.org/10.1134/s0036024408090070
Autor:
V. I. Alekseeva, N. O. Mchedlov-Petrosyan, N. A. Vodolazkaya, A. G. Yakubovskaya, O. N. Bezkrovnaya, L. P. Savvina
Publikováno v:
Russian Journal of Applied Chemistry. 81:696-703
Spectral and protolytic properties of two hydrophobic rhodamine dyes and fluorescein n-decyl ester were studied in Langmuir-Blodgett films based on a polyamido acid. The possibility of weakening the concentration quenching of rhodamine dye fluorescen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e8359017b83e338a8436ccdd0dedefa
https://doi.org/10.1134/s1070427208040253
https://doi.org/10.1134/s1070427208040253
Publikováno v:
Russian Journal of General Chemistry. 76:1607-1617
The dissociation constants of fluorescein halo derivatives containing substituents in the xanthene ring and/or in the phthalic acid moiety were determined in 91.4 wt % aqueous ethanol. The tautomerism of the dyes was inferred from the electronic abso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39995bdc0356940df09719c3c1a48cb7
https://doi.org/10.1134/s1070363206100197
https://doi.org/10.1134/s1070363206100197
Publikováno v:
Russian Journal of Applied Chemistry. 77:414-422
Protolytic and associative equilibria in aqueous solutions of rhodamine B were studied. The curves of potentiometric titration with NaOH solution of the dye hydrochloride within the 5 ×10-4-3 ×10-2 M range and at an ionic strength of 0.1 M (NaCl or
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a771d6070ac24916665fca827da6b58c
https://doi.org/10.1023/b:rjac.0000031281.69081.d0
https://doi.org/10.1023/b:rjac.0000031281.69081.d0