Voltammetric Determination of Captopril Using Chlorpromazine as a Homogeneous Mediator

Table 1

Determination of captopril in formulations and blood serum samples.

Sample	Labelled or added (μM)	Found^a (μM)	Recovery^a (%)
50 mg tablet	50	52.36; (±0.4)	104.72
25 mg tablet	50	50.32; (±0.2)	100.65
Blood serum	50^b	50.51; (±2.8)	101.01

^aMean value of three replicate determinations. Values in the parentheses are RSD%.
^bAmount of CAP in diluted (50 times) blood serum samples.