Research Article

Kinetics of Reduction of Colloidal MnO2 by Glyphosate in Aqueous and Micellar Media

Table 1

Values of rate constants, adsorption constant, and binding constant for the oxidation of glyphosate by colloidal manganese dioxide.

Rate constant/adsorption constant/binding constantAqueous mediumMicellar medium
CTABSDS

𝑘 1 ( 𝑠 1 ) 0.0328
𝑘 2 ( 𝑠 1 ) 1 0 2 32.248
𝑘 𝑚  (mol dm−3 s−1) 1 . 8 8 ± 0 . 3 7 1 5 . 8 0 ± 0 .07
𝐾 𝑛  (mol dm−3)128
𝐾 𝑠 (mol dm−3)40040
𝐾 a d (mol dm−3)1509.455