Fig. 3From: Electro-activation of potassium acetate, potassium citrate and calcium lactate: impact on solution acidity, Redox potential, vibrational properties of Raman spectra and antibacterial activity on E. coli O157:H7 at ambient temperature a Variation of the titratable acidity of NaCl solutions in the acidifying section by a non-contact mode. b Buffering capacity of the electro-activated solutions of: potassium acetate (A), potassium citrate (B) and calcium lactate (C)Back to article page