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

Table 7

Stability of HPLC method showing the mean recoveries of hydrocortisone in solution over an eight-hour period.

Time (h)	Mean concentration	% RSD
0	100.72	0.56
2	100.29	0.63
4	98.40	1.73
6	95.82	3.54
8	93.11	5.79