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

Table 4

Interday precision of proposed HPLC method showing the mean percentage recovery and RSD of hydrocortisone on different days.

Number of runs	Percentage (%)
	Day 1	Day 2	Day 3
1	100.52	98.52	100.16
2	99.45	99.67	99.51
3	100.03	98.36	99.72
Mean	100.00	98.85	99.80
% RSD	0.54	0.71	0.33

of three replicate determinations.