About: The thermodynamic dissociation constants of naphazoline by the regression analysis of potentiometric data

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The mixed dissociation constant of naphazoline is determined at various ionic strengths I [mol dm-3] in the range of 0.01 to 0.26 and at temperatures of 25°C and 37°C using ESAB and HYPERQUAD regression analysis of the potentiometric titration data. A strategy of efficient experimentation is proposed in a protonation constant determination, followed by a computational strategy for the chemical model with a protonation constant determination. Two group parameters, L0 and HT were ill-conditioned in the model and their determination is therefore uncertain. These group parameters, L0 and HT, can significantly influence a systematic error in the estimated common parameter pKa and they always should be refined together with pKa. The thermodynamic dissociation constant pKTa was estimated by nonlinear regression of {pKa, I} data at 25°C and 37°C: for naphazoline pKTa1 = 10.41(1) and 10.13(2). The mixed dissociation constant of naphazoline is determined at various ionic strengths I [mol dm-3] in the range of 0.01 to 0.26 and at temperatures of 25°C and 37°C using ESAB and HYPERQUAD regression analysis of the potentiometric titration data. A strategy of efficient experimentation is proposed in a protonation constant determination, followed by a computational strategy for the chemical model with a protonation constant determination. Two group parameters, L0 and HT were ill-conditioned in the model and their determination is therefore uncertain. These group parameters, L0 and HT, can significantly influence a systematic error in the estimated common parameter pKa and they always should be refined together with pKa. The thermodynamic dissociation constant pKTa was estimated by nonlinear regression of {pKa, I} data at 25°C and 37°C: for naphazoline pKTa1 = 10.41(1) and 10.13(2). (en)
Title	The thermodynamic dissociation constants of naphazoline by the regression analysis of potentiometric data The thermodynamic dissociation constants of naphazoline by the regression analysis of potentiometric data (en)
skos:prefLabel	The thermodynamic dissociation constants of naphazoline by the regression analysis of potentiometric data The thermodynamic dissociation constants of naphazoline by the regression analysis of potentiometric data (en)
skos:notation	RIV/00216275:25310/11:39883554!RIV12-MZ0-25310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(NS9831), Z(MSM0021627502)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Ferenčíková, Zuzana Meloun, Milan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Pardubice / Fakulta chemicko-technologická
http://linked.open...dnocenehoVysledku	235211
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/11:39883554
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	HYPERQUAD; ESAB; naphazoline; dissociation constant; potentiometric titration (en)
http://linked.open.../riv/klicoveSlovo	HYPERQUAD ESAB dissociation constant naphazoline potentiometric titration
http://linked.open...odStatuVydavatele	PL - Polská republika
http://linked.open...ontrolniKodProRIV	[AB3E377729F3]
http://linked.open...i/riv/nazevZdroje	Central European Journal of Chemistry
http://linked.open...in/vavai/riv/obor	FR
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Optimization of laboratory examinations in endocrinology using multivariate statistics
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	9
http://linked.open...iv/tvurceVysledku	Ferenčíková, Zuzana Meloun, Milan Vrána, Aleš Netolická, Lucie
http://linked.open...ain/vavai/riv/wos	000285361100009
http://linked.open...n/vavai/riv/zamer	Pokročilé analytické a separační metody a jejich aplikace v diagnostice a technologii živých a neživých materiálů
issn	1895-1066
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.2478/s11532-010-0117-9
http://localhost/t...ganizacniJednotka	25310

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