Analysis grade ethanol (99.9% VWR International), acetic
acid (100% Merck KGaA), sodium chloride (99.7% VWR International),
potassium chloride (99.5% Riedel-de Haën), and
sodium acetate (99% Riedel-de Haën) were used in the experiments.
Purified water (purification using CENTRA-R 60/120,
ELGA/VEOLIA water) was used in all experiments.