(386c) Potentiometric pH Measurements in Aqueous Solutions of Carboxylic Acids Under High-Temperature and High-Pressure Conditions
AIChE Annual Meeting
2009
2009 Annual Meeting
Engineering Sciences and Fundamentals
Thermodynamic and Transport Properties Under Pressure
Wednesday, November 11, 2009 - 9:12am to 9:33am
Potentiometric pH measurements in aqueous solutions of carboxylic acids were carried out at temperatures from 323 K to 673 K and pressures from 23 MPa to 32 MPa by a flow-through electrochemical cell. New data of the molal ionization constants for the acids was determined. Effect of temperature and pressure on the ionization constants is discussed.
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