Conductance study of association in aqueous CaCl2, Ca(CH3COO)2, and Ca(CH3COO)2.nCH3COOH from 348 to 523 K at 10 MPa.
The conductances of aqueous CaCl2, Ca(CH3COO)2, and Ca(CH3COO)2.nCH3COOH were measured from 348 to 523 K at pressures near 10 MPa using a flow conductometric technique. The first association constant for calcium chloride and the first and second association constants for calcium acetate in water, were derived from a least-squares fit of the measurements to a conductance model in which activity coefficients were calculated using the mean spherical approximation (MSA) and the conductance was modeled by the Turq, Blum, Bernard, and Kunz (TBBK) equation, plus a mixture model.
Méndez De Leo
Lucila P
LP
Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA.
Wood
Robert H
RH
D000085:Acetates / Q000737:chemistry*; D019342:Acetic Acid / Q000737:chemistry*; D002122:Calcium Chloride / Q000737:chemistry*; D017610:Calcium Compounds / Q000737:chemistry; D004553:Electric Conductivity; D008956:Models, Chemical; D011312:Pressure; D013696:Temperature; D014867:Water / Q000737:chemistry
D000085:Acetates; D017610:Calcium Compounds; D014867:Water; D002122:Calcium Chloride; D019342:Acetic Acid; C120662:calcium acetate