. 2023 Jul 7;6(15):13902–13911. doi: 10.1021/acsanm.3c01567

Table 2. Pseudo-Second Order and Intraparticle Diffusion Constant for Nanoparticles Obtained by Evaporating Pure SnO₂ and SnO₂ Mixed with 50% wt Fe.

sample	Q_e μg/mg	k₂Q_e² μg/mg·min	k₂ mg/μg·min	R₂²	k_i μg/mg·min^1/2	R_i²
pure SnO₂	1.73	0.0215	0.00717	0.9930	0.056	0.9948
SnO₂/Fe 50% wt	2.01	0.0186	0.00459	0.9944	0.071	0.9873

Table 2. Pseudo-Second Order and Intraparticle Diffusion Constant for Nanoparticles Obtained by Evaporating Pure SnO2 and SnO2 Mixed with 50% wt Fe.