Research Article

Development and Validation of a Reversed-Phase HPLC Method for the Estimation of Zolpidem in Bulk Drug and Tablets

Table 1

Accuracy for zolpidem.

Nominal concentration
(μg mL−1)
Mean measured concentration
(μg mL−1)a
Recovery
(%)a
RSD
(%)b

109.67 (±0.3)96.450.07
2019.6 (±0.4)98.001.00
3031.3 (±0.2)104.30.30

Mean99.600.46

aMean of six determinations.
bRSD: relative standard deviation.