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.
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