Differential Electroanalysis of Dopamine in the Presence of a Large Excess of Ascorbic Acid at a Nickel Oxide Nanoparticle-Modified Glassy Carbon Electrode

Table 5

Simultaneous electroanalytical determination of mixed DA-HCl and vitamin C real samples.

Sample	Added		Found^a		Recovery^b (%)
	DA-HCL (μM)	Vitamin C (mM)	DA-HCL (μM)	Vitamin C (mM)	DA-HCL	Vitamin C
1	3.15	6.3	3.30	6.17
2	4.46	10.5	4.38	10.4
3	15.75	21	15.72	21

^aAverage of seven determinations; ^b ().