Electrochemical Behavior of Quinoxalin-2-one Derivatives at Mercury Electrodes and Its Analytical Use

Table 4

Slopes of the regression lines calculated for log-log dependencies of cathodic CV-peak current [nA] on scan rate [mV/s].

Medium	3-methyl-quinoxalin-2-one		3,6,7-trimethyl-quinoxalin-2-one		7-amino-3-methyl-quinoxalin-2-one
	1st peak	2nd peak	1st peak	2nd peak	1st peak	2nd peak
0.01 M HCl	0.76	0.33	0.76	0.33	0.59	0.33
Phosphate pH 7.0	0.73	0.35	0.84	0.29	0.68	—
0.001 M NaOH	0.46	—	0.38	—	0.41	—