Chemodynamics of Methyl Parathion and Ethyl Parathion: Adsorption Models for Sustainable Agriculture

Table 3

Kinetic models for methyl parathion and ethyl parathion.

Soil type	Kinetic models	Parameters	Methyl parathion	Ethyl parathion
		𝐾1	−0.0011	−0.0011
Agricultural	Pseudo-first-order	𝑞𝑒	2.896	2.8903
		𝑅^2	0.402	0.393
		𝐾1	−0.0011	−0.0011
Barren	Pseudo-first-order	𝑞𝑒	2.8813	2.880
		𝑅^2	0.3634	0.4023
		𝐾2	0.1387	0.1295
Agricultural	Pseudo-second-order	𝑞𝑒	0.0014	0.0011
		𝑅^2	0.999	0.999
		𝐾2	0.0181	0.0255
Barren	Pseudo-second-order	𝑞𝑒	0.1059	0.0011
		𝑅^2	0.5486	0.999
		𝐴	0.0098	0.0105
Agricultural	Intraparticle diffusion	log𝐾id	1.8802	1.8925
		𝑅^2	0.979	0.918
		𝐴	0.0064	0.0167
Barren	Intraparticle diffusion	log𝐾id	1.8716	1.8763
		𝑅^2	0.976	0.961

𝑞_𝑒 is in µg/L.