Square Wave Voltammetric Determination of 2-Thiouracil in Pharmaceuticals and Real Samples Using Glassy Carbon Electrode

Table 5

Determination of 2-thiouracil in urine samples.

Urine	Spiked (μM)	Detected^a (μM)	Bias (%)	Recovery (%)	SD ± RSD (%)
Sample 1	2	2.062	3.1	103.1	0.0301±0.39
Sample 2	4	4.040	1.0	101.0	0.0222±0.55
Sample 3	6	5.909	−1.5	98.48	0.0099±0.17
Sample 4	8	7.813	−2.3	97.66	0.0207±0.27

aMean average of five determinations.