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Stability, lability, spectral parameters and structure of complexes and stereoselective effects in the nickel(II) – l/d/dl-histidine – l/d/dl-methionine systems. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2018.02.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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2
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Michałowska-Kaczmarczyk AM, Asuero AG, Michałowski T. "Why not stoichiometry" versus "stoichiometry--why not?" Part I: General context. Crit Rev Anal Chem 2015; 45:166-88. [PMID: 25558777 DOI: 10.1080/10408347.2014.937852] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
The elementary concepts involved with stoichiometry are considered from different viewpoints. Some examples of approximate calculations made according to the stoichiometric scheme are indicated, and correct resolution of the problems involved is presented. The principles of balancing chemical equations, based on their apparent similarities with algebraic equations, are criticized. The review concerns some peculiarities inherent in chemical reaction notation and its use (and abuse) in stoichiometric calculations that provide inconsistent results for various reasons. This "conventional" approach to stoichiometry is put in context with the generalized approach to electrolytic systems (GATES) established by Michałowski. The article contains a number of proposals that could potentially be taken into account and included in the next edition of the Orange Book. Notation of ions used in this article is not, deliberately, in accordance with actual IUPAC requirements in this respect. This article is intended to be provocative with the hope that some critical debate around the important topics treated should be generated and creatively expanded in the scientific community.
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Potentiometric study of atenolol as hypertension drug with Co(II), Ni(II), Cu(II) and Zn(II) transition metal ions in aqueous solution. JOURNAL OF SAUDI CHEMICAL SOCIETY 2015. [DOI: 10.1016/j.jscs.2011.12.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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4
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Calculation of equilibrium constants from multiwavelength spectroscopic data--II: SPECFIT: two user-friendly programs in basic and standard FORTRAN 77. Talanta 2013; 32:257-64. [PMID: 18963840 DOI: 10.1016/0039-9140(85)80077-1] [Citation(s) in RCA: 356] [Impact Index Per Article: 32.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/1984] [Accepted: 12/05/1984] [Indexed: 11/23/2022]
Abstract
A new program (SPECFIT), written in HP BASIC or FORTRAN 77, for the calculation of stability constants from spectroscopic data, is presented. Stability constants have been successfully calculated from multiwavelength spectrophotometric and EPR data, but the program can be equally well applied to the numerical treatment of other spectroscopic measurements. The special features included in SPECFIT to improve convergence, increase numerical reliability, and minimize memory as well as computing time requirements, include (i) elimination of the linear parameters (i.e., molar absorptivities), (ii) the use of analytical instead of numerical derivatives and (iii) factor analysis. Calculation of stability constants from spectroscopic data is then as straightforward as from potentiometric titration curves and gives results of analogous reproducibility. The spectroscopic method has proved, however, to be superior in discrimination between chemical models.
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Asuero AG, González G. Fitting Straight Lines with Replicated Observations by Linear Regression. III. Weighting Data. Crit Rev Anal Chem 2007. [DOI: 10.1080/10408340701244615] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Agustin G. Asuero
- a Department of Analytical Chemistry, Faculty of Pharmacy , The University of Seville , 41012 , Seville , Spain
| | - Gustavo González
- a Department of Analytical Chemistry, Faculty of Pharmacy , The University of Seville , 41012 , Seville , Spain
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Olivieri* AC, Escandar* GM. Random Error Analysis in the Determination of Equilibrium Constants of Very Stable Metal Complexes. ANAL LETT 2006. [DOI: 10.1080/00032719708001711] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Alejandro C. Olivieri*
- a Departamento de Química Analítica, Facultad de Ciencias Bioquímicas y Farmacéuticas , Universidad Nacional de Rosario , Suipacha 531, Rosario , (2000) , Argentina Fax: E-mail:
| | - Graciela M. Escandar*
- a Departamento de Química Analítica, Facultad de Ciencias Bioquímicas y Farmacéuticas , Universidad Nacional de Rosario , Suipacha 531, Rosario , (2000) , Argentina Fax: E-mail:
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Zhang C, Jin GC, Chen JX, Xin XQ, Qian KP. The characteristic IR spectra of heterothiometallic cluster compounds. Coord Chem Rev 2001. [DOI: 10.1016/s0010-8545(00)00377-5] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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9
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Araujo CL, Ibañez GA, Ledesma GN, Escandar GM, Olivieri* AC. EPSILON: a versatile microcomputer program for the spectrophotometric data analysis of metal–ligand equilibria. ACTA ACUST UNITED AC 1998. [DOI: 10.1016/s0097-8485(97)00061-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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10
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Grabarić BS, Grabarić Z, Esteban M, Casassas E. Evolving polynomial regression and error analysis in model identification and determination of consecutive stability constants using voltammetric methods. Anal Chim Acta 1996. [DOI: 10.1016/0003-2670(96)00037-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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12
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Casassas E, Marqués I, Tauler R. Study of acid-base properties of fulvic acids using fluorescence spectrometry and multivariate curve resolution methods. Anal Chim Acta 1995. [DOI: 10.1016/0003-2670(95)00140-u] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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14
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15
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Meloun M, Bartoš M. Computer estimation of dissociation constants. Part IV. Precision and accuracy of potentiometric determinations. Mikrochim Acta 1992. [DOI: 10.1007/bf01242432] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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16
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Potentiometry revisited: the determination of thermodynamic equilibria in complex multicomponent systems. Coord Chem Rev 1990. [DOI: 10.1016/0010-8545(90)85014-j] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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17
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Baumgartner E, Gettar RT, Mingorance FD, Magallanes JF. Application of factor analysis to polarographic data: Determination of the number of species present in metal ion-ligand systems. Talanta 1989; 36:1111-5. [DOI: 10.1016/0039-9140(89)80010-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/1988] [Revised: 11/11/1988] [Accepted: 06/03/1989] [Indexed: 11/29/2022]
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18
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Sommer L, Langová M, Ackermann G. Spectrophotometric Methods for the Investigation of Metal Complex Formation. ACTA ACUST UNITED AC 1988. [DOI: 10.1080/10408348808542812] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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19
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de Stefano C, Princi P, Rigano C, Sammartano S. The calculation of equilibrium concentrations. Estime: A computer program for comparing execution times on different machines. ACTA ACUST UNITED AC 1988. [DOI: 10.1016/0097-8485(88)80005-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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20
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Kostrowicki J, Liwo A. A general method for the determination of the stoichiometry of unknown species in multicomponent systems from physicochemical measurements. ACTA ACUST UNITED AC 1987. [DOI: 10.1016/0097-8485(87)80018-9] [Citation(s) in RCA: 75] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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21
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Lampugnani L, Meites L, Papoff P, Rotunno T. A program for evaluating equilibrium constants from spectrophotometric data by non-linear regression analysis. Anal Chim Acta 1987. [DOI: 10.1016/s0003-2670(00)84761-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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22
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A critical comparison of computer programs for the potentiometric determination of stability constants. Anal Chim Acta 1986. [DOI: 10.1016/s0003-2670(00)86325-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Laouenan A, Suet E. Micmac-un programme general et rigoureux d'affinement multiparametrique pour la determination de constantes d'equilibre a partir de methodes physiques variees. Talanta 1985; 32:245-55. [DOI: 10.1016/0039-9140(85)80076-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/1984] [Accepted: 12/12/1984] [Indexed: 10/18/2022]
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24
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Computer analysis of equilibrium data in solution. A method for computing the formation constants of two mass balance systems, from potentiometric measurements, applied to the hydrolysis of copper(II). TRANSIT METAL CHEM 1985. [DOI: 10.1007/bf00620620] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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25
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Calculation of stability constants from potentiometric data by desk computers. A simplified approach. ACTA ACUST UNITED AC 1984. [DOI: 10.1016/s0022-0728(84)80278-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Kostrowicki J, Liwo A. DECFAM—A new computer oriented algorithm for the determination of equilibrium constants from potentionmetric and/or spectrophotometric measurements—I. ACTA ACUST UNITED AC 1984. [DOI: 10.1016/0097-8485(84)85002-0] [Citation(s) in RCA: 35] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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27
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The polarographic determination of stability constants of urea/crown ether complexes in methanol. Anal Chim Acta 1984. [DOI: 10.1016/s0003-2670(00)85779-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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May PM, Bulman RA. The present status of chelating agents in medicine. PROGRESS IN MEDICINAL CHEMISTRY 1983; 20:225-336. [PMID: 6356226 DOI: 10.1016/s0079-6468(08)70220-0] [Citation(s) in RCA: 59] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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29
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J�ger EG, Kirchhof B, Schmidt E, Remde B, Kipke A, M�ller R. Struktur-Reaktivit�ts-Beziehungen bei koordinativ unges�ttigten Chelatkomplexen. I. Spektrophotometrische Gleichgewichtsuntersuchungen zum Einflu� der �quatorialen Ligandsubstitutuenten auf die Adduktbildung planarer Bis (3-oxo-1-enaminato)-nickel(II)-chelate mit Pyridin. Z Anorg Allg Chem 1982. [DOI: 10.1002/zaac.19824850115] [Citation(s) in RCA: 38] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Macášek F, Vančo D. Description of liquid—liquid extraction equilibria in exchange extractions of chelates. Anal Chim Acta 1981. [DOI: 10.1016/s0003-2670(01)93888-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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