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Table 2 Evolution of P and J0 with pH during the extraction of paracetamol at T = 298 K

From: Kinetic control concept for the diffusion processes of paracetamol active molecules across affinity polymer membranes from acidic solutions

pH C0 (mol L−1) PIM GPM
P * 107 (cm2 s−1) J0 *105 (mmol s−1 cm−2) P * 107 (cm2 s−1) J0 * 105 (mmol s−1 cm−2)
1 0.08 18.112 0.635 9.373 0.462
0.04 20.235 0.355 10.053 0.248
0.02 20.962 0.184 10.458 0.129
0.01 21.446 0.094 10.851 0.067
2 0.08 16.444 0.577 8.929 0.440
0.04 20.178 0.354 9.866 0.243
0.02 20.734 0.182 10.224 0.126
0.01 20.962 0.092 10.625 0.065
3 0.08 16.159 0.567 8.713 0.429
0.04 19.693 0.345 9.771 0.241
0.02 20.491 0.180 10.080 0.124
0.01 20.620 0.090 10.536 0.065