Electrochemical Behavior of Malachite Green in Aqueous Solutions of Ionic Surfactants

Table 1

𝐷_app, 𝛼, and 𝑘_𝑠 of MG in the presence of surfactants CTAB and SDS.

Surfactants	[Surfactant]×10^3, M	𝐷app×10^11, m^2s^−1	𝛼	𝑘𝑠×10^3, s^−1
CTAB	0.005	6.4	0.48	1.05
	0.15	7.2	0.47	1.63
	0.25	9.4	0.47	1.79
	0.75	10.1	0.47	1.82
	1.00	9.8	0.47	1.88
	1.25	12.6	0.47	2.19
	5.00	15.1	0.47	2.29
	7.50	12.1	0.47	2.30
SDS	0.50	2.6	0.40	1.22
	1.00	2.0	0.49	0.99
	2.00	0.8	0.47	0.88
	3.00	0.6	0.47	0.60
	4.00	0.4	0.47	0.41
	5.00	0.3	0.47	0.20