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Isopiestic Determination of the Osmotic and Activity Coefficients of the {yNa2HPO4 + (1 − y)K2HPO4}(aq) System at T = 298.15 K. J SOLUTION CHEM 2016. [DOI: 10.1007/s10953-015-0429-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Partanen JI. Calculation of the first and second stoichiometric dissociation constants of glycine in aqueous sodium chloride solutions at 298.15 K. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/bbpc.19981020611] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Ferra MIA, Graça JR, Marques AMM. Application of the Pitzer Model to Assignment of pH to Phthalate Standard Buffer Solutions. J SOLUTION CHEM 2009. [DOI: 10.1007/s10953-009-9421-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Partanen JI, Juusola PM, Covington AK. Re-evaluation of the First and Second Stoichiometric Dissociation Constants of Oxalic Acid at Temperatures from 0 to 60 °C in Aqueous Oxalate Buffer Solutions with or without Sodium or Potassium Chloride. J SOLUTION CHEM 2009. [DOI: 10.1007/s10953-009-9443-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Raghuraman B, Gustavson G, Mullins OC, Rabbito P. Spectroscopic pH measurement for high temperatures, pressures and ionic strength. AIChE J 2006. [DOI: 10.1002/aic.10933] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Partanen JI, Juusola PM, Minkkinen PO, Verraes V. Determination of the second stoichiometric dissociation constants of glycine in aqueous sodium or potassium chloride solutions at 298.15 K. CAN J CHEM 2003. [DOI: 10.1139/v03-154] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Equations were determined for the calculation of the second stoichiometric (molality scale) dissociation constant, Km2, of glycine, in aqueous NaCl and KCl solutions at 298.15 K, from the thermodynamic dissociation constant, Ka2, of this acid and the ionic strength, Im, of the solution. The ionic strength of the solutions considered in this study is determined mostly by the salt alone, and the equations for Km2 were based on the single-ion activity coefficient equations of the Hückel type. New data measured by potentiometric titrations in a glass electrode cell were used in the estimation of the parameters for the Hückel equations of glycine species. By means of the calculation method suggested in this study, Km2 can be obtained almost within experimental error up to an Im of about 1.0 mol kg1 for glycine in NaCl and KCl solutions. The Km2 values obtained by these methods were also compared with the values suggested in the literature for this quantity.Key words: ionic strength dependence, stoichiometric dissociation constant, Debye–Hückel equation, potentiometry, glycine.
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Louhi-Kultanen M, Kallas J, Partanen J, Sha Z, Oinas P, Palosaari S. The influence of multicomponent diffusion on crystal growth in electrolyte solutions. Chem Eng Sci 2001. [DOI: 10.1016/s0009-2509(01)00018-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Partanen JI, Juusola P, Minkkinen P. Determination of Stoichiometric Dissociation Constants of Glycolic Acid in Dilute Aqueous Sodium or Potassium Chloride Solutions at 298.15 K. Z PHYS CHEM 2001. [DOI: 10.1524/zpch.2001.215.4.515] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Equations were determined for the calculation of the stoichiometric (molality scale) dissociation constant, K
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