About: Thermodynamic dissociation constants of risedronate using spectrophotometric and potentiometric pH-titration

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About: Thermodynamic dissociation constants of risedronate using spectrophotometric and potentiometric pH-titration Goto Sponge NotDistinct Permalink

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Description	The mixed dissociation constants were determined at different ionic strengths I = 0.02 to 0.26 M KCl and of 25?C and 37?C using pH-spectrophotometric and pH-potentiometric titration methods. Determination of group parameters L0, HT might lead to false estimate of common parameters pKa and therefore make the computational strategy important. Comparing two programs, ESAB and HYPERQUAD, the ESAB led to a better fitness of potentiometric titration curve. The thermodynamic dissociation constants pKTa were estimated by a nonlinear regression of (pKa, I) data and a Debye-Hückel equation at 25?C and 37?C, pKTa,2 = 2.37(1) and 2.44(1), pKTa,3 = 6.29(3) and 6.26(1), pKTa,4 = 7.48(1) and 7.46(2) and pKTa,5 = 9.31(7) and 8.70(3)at 25?C and 37?C using pH-spectroscopic data and pKTa,2 = 2.48(3) and 2.43(1), pKTa,3= 6.12(2) and 6.10(2), pKTa,4 = 7.25(2) and 7.23(1) and pKTa,5 = 12.04(5) and 11.81(2) at 25?C and 37?C. The mixed dissociation constants were determined at different ionic strengths I = 0.02 to 0.26 M KCl and of 25?C and 37?C using pH-spectrophotometric and pH-potentiometric titration methods. Determination of group parameters L0, HT might lead to false estimate of common parameters pKa and therefore make the computational strategy important. Comparing two programs, ESAB and HYPERQUAD, the ESAB led to a better fitness of potentiometric titration curve. The thermodynamic dissociation constants pKTa were estimated by a nonlinear regression of (pKa, I) data and a Debye-Hückel equation at 25?C and 37?C, pKTa,2 = 2.37(1) and 2.44(1), pKTa,3 = 6.29(3) and 6.26(1), pKTa,4 = 7.48(1) and 7.46(2) and pKTa,5 = 9.31(7) and 8.70(3)at 25?C and 37?C using pH-spectroscopic data and pKTa,2 = 2.48(3) and 2.43(1), pKTa,3= 6.12(2) and 6.10(2), pKTa,4 = 7.25(2) and 7.23(1) and pKTa,5 = 12.04(5) and 11.81(2) at 25?C and 37?C. (en)
Title	Thermodynamic dissociation constants of risedronate using spectrophotometric and potentiometric pH-titration Thermodynamic dissociation constants of risedronate using spectrophotometric and potentiometric pH-titration (en)
skos:prefLabel	Thermodynamic dissociation constants of risedronate using spectrophotometric and potentiometric pH-titration Thermodynamic dissociation constants of risedronate using spectrophotometric and potentiometric pH-titration (en)
skos:notation	RIV/00216275:25310/12:39883555!RIV13-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	2
http://linked.open...vai/riv/dodaniDat	2013
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	174299
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/12:39883555
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	HYPERQUAD; ESAB2M; SQUAD; SPECFIT; risedronate; dissociation constant; potentiometric titration; Spectrophotometric titration (en)
http://linked.open.../riv/klicoveSlovo	risedronate ESAB2M HYPERQUAD SPECFIT SQUAD Spectrophotometric titration dissociation constant potentiometric titration
http://linked.open...odStatuVydavatele	PL - Polská republika
http://linked.open...ontrolniKodProRIV	[0657DE2F725B]
http://linked.open...i/riv/nazevZdroje	Central European Journal of Chemistry
http://linked.open...in/vavai/riv/obor	CF
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	2012
http://linked.open...v/svazekPeriodika	10
http://linked.open...iv/tvurceVysledku	Pekárek, Tomáš Ferenčíková, Zuzana Meloun, Milan Málková, Hana
http://linked.open...ain/vavai/riv/wos	000299703800009
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	15 (xsd:int)
http://bibframe.org/vocab/doi	10.2478/s11532-011-0150-3
http://localhost/t...ganizacniJednotka	25310

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