Research Article
New Data on Activity Coefficients of Potassium, Nitrate, and Chloride Ions in Aqueous Solutions of KNO3 and KCl by Ion Selective Electrodes
Figure 1
Schematic diagram of the experimental system. (1) reference electrode, (2) ISE,(+) cation,(-) anion, (3) thermostated cell, (4) stirring bar, (5) magnetic stirrer, (6) pH/ISE meter.