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

Table 2

DC-tast limiting current values of compared depolarizers (concentration 0.1 mM).

Compound	/[nA]
	pH ≈ 1	pH = 7.0	pH = 9.2
m-nitrobenzoic acid	−689.0	—	−650.8
benzil	−344.7	−330.1	—
3-methyl-quinoxalin-2(1H)-one	−344.1	−336.8	−338.6