A New Technique for Quantitative Determination of Dexamethasone in Pharmaceutical and Biological Samples Using Kinetic Spectrophotometric Method

Table 3

Determination of dexamethasone in human serum and urine samples using the developed procedure.

Sample	Added (mg L^−1)	Found^a (mg L^−1)	RSD (%)	Recovery (%)
Human urine
1	—	<D.L	—	<D.L
	2.0	2.04 ± 0.02	1.03	102.0
	8.0	8.09 ± 0.08	1.01	101.1
	20.0	19.89 ± 0.20	1.00	99.4
Human serum
1	—	<D.L	—	<D.L
	2.0	1.98 ± 0.02	1.01	99.0
	8.0	8.04 ± 0.08	0.99	100.5
	20.0	20.14 ± 0.10	0.94	100.7

Mean ± standard deviation ().