210802.fig.005
Figure 5: Change in CO2 concentration versus time. (1) Dry non impregnated membrane, empty chambers. (2) Nonimpregnated membrane, compartments filled with 0, 1 M of KCl solution. (3) Membrane impregnated with 320 mg/mL of lecithine in tetradecane solution, chambers filled with 0, 1 M KCl solution.