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

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

pH	C₀ (mol L⁻¹)	PIM	GPM
pH	C₀ (mol L⁻¹)	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

ISSN: 2661-801X