. 2023 Nov 15;8(47):44784–44795. doi: 10.1021/acsomega.3c05868

Table 4. Fitting Parameters of Swelling Data to the Power Law Equation.

hydrogel sample	conditions	fitting parameters			release mechanism
hydrogel sample	conditions	n	k	r²	release mechanism
AC9	deionized water	0.3617	1.826	0.9671	Fickian diffusion
AC9	soil extract	0.4279	2.0548	0.9716	Fickian diffusion
AC12	deionized water	0.3579	1.7825	0.995	Fickian diffusion
AC12	soil extract	0.3057	1.6176	0.9915	Fickian diffusion
GA9	deionized water	0.1869	0.8421	0.8627	Fickian diffusion
GA9	soil extract	0.1886	1.326	0.9693	Fickian diffusion
GA12	deionized water	0.1061	0.6086	0.8936	Fickian diffusion
GA12	soil extract	0.1966	1.2369	0.9523	Fickian diffusion