ACTIVITY COEFFICIENTS FOR CdCl2 IN 2-METHYLPROPAN-2-OL (5 MASS %) + WATER MIXED SOLVENT FROM POTENTIOMETRIC MEASUREMENTS WITH CADMIUM-SELECTIVE ELECTRODE (CROSBI ID 740819)
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Podaci o odgovornosti
Tomaš, Renato ; Bajlo, Barbara
engleski
ACTIVITY COEFFICIENTS FOR CdCl2 IN 2-METHYLPROPAN-2-OL (5 MASS %) + WATER MIXED SOLVENT FROM POTENTIOMETRIC MEASUREMENTS WITH CADMIUM-SELECTIVE ELECTRODE
The potential difference (pd), E, of the galvanic cell without a liquid junction: Cd-ISE/CdCl2(b) in Z/AgCl(s)/Ag(s), where ISE stands for ion-selective electrode, was measured at different temperatures (20, 25, 30, and 35C) and various CdCl2 molalities, b, in aqueous mixture with 5 mass % 2-methylpropan-2-ol (Z). From these values and using literature data for stability constants of the chlorocadmium complexes, the values for the standard pd, Eo (molal scale), were obtained at each temperature. The standard pd data are served to calculate the stoichiometric mean molal activity coefficients of CdCl2. The agreement between the results for the activity coefficient obtained with cadmium-selective electrode in the present work with to those obtained using amalgam electrode, are discussed.
cadmium chloride; activity coefficients; cadmium-selective electrode; aqueous mixture of 2-methylpropan-2-ol
Congress of Chemists and Chemical Engineers of B&H with International Participation, 10.-12. October 2014., Sarajevo
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Podaci o prilogu
144-144.
2014.
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Podaci o matičnoj publikaciji
0367-4444
2232-7266
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Nepoznat skup
ostalo
29.02.1904-29.02.2096