Novel HPLC Analysis of Hydrocortisone in Conventional and Controlled-Release Pharmaceutical Preparations

Table 2

Accuracy of the HPLC method showing the mean percentage recovery of hydrocortisone at three concentration levels.

Concentration levels	Amount taken (mg/ml)	Amount added (mg/ml)	Amount recovered	Percentage recovery (%)
80%	0.10	0.08	0.07820	97.75
	0.10	0.08	0.07840	98.01
	0.10	0.08	0.07836	97.92
100%	0.10	0.10	0.10073	100.73
	0.10	0.10	0.10120	101.20
	0.10	0.10	0.10052	100.52
120%	0.10	0.12	0.11998	99.98
	0.10	0.12	0.12062	100.05
	0.10	0.12	0.11934	99.45