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Fig. 5 | SpringerPlus

Fig. 5

From: 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

Fig. 5

Raman spectra of the 0.3 % electro-activated solutions of the used salts of weak organic acids: (A) non-treated solution, (B) after 15 min of electro-activation, (C) after 30 min of electro-activation, (D) a control corresponding to the commercial conjugated acid of the used salt of the organic acid. a Potassium acetate solution, b potassium citrate solution, c calcium lactate solution

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