Thermodynamics of ionic-association in aqueous solutions of Ca and Mg organic salts using ion-selective electrode technique—I. Formates, acetates, propionates and butyrates

1981 ◽  
Vol 26 (12) ◽  
pp. 1705-1708 ◽  
Author(s):  
Mostafa M. Emara ◽  
Nazik A. Farid ◽  
Ahmed Wasfi
Keyword(s):  
Aqueous Solutions ◽  
Ion Selective Electrode ◽  
Ionic Association ◽  
Selective Electrode ◽  
Organic Salts ◽  
Electrode Technique

Association of benflurone in aqueous solutions studied by measuring the activity of chloride ions

1986 ◽  
Vol 51 (11) ◽  
pp. 2437-2443
Author(s):  
František Kopecký ◽  
Mária Vojteková ◽  
Milan Pešák
Keyword(s):  
Aqueous Solutions ◽  
Chloride Ions ◽  
Ion Selective Electrode ◽  
Selective Electrode ◽  
Measured Range

The conventional activity of chloride ions was measured by an ion-selective electrode at 25 °C in aqueous solutions of benflurone, i.e. 5-(2-(N,N-dimethylamino)ethoxy)-7-oxo-7H-benzo(c)fluorene hydrochloride, without or with additions of KCl. These results suggest a gradual association of benflurone; the formation of a hetero-associate, (BH+)2Cl-, followed by higher associates was evaluated in the measured range up to 0.1 mol l-1.

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