Stability-Indicating HPTLC Method for Determination of Duloxetine Hydrochloride in Bulk Drug and Tablet Formulation

Table 3

Recovery studies of duloxetine hydrochloride.

Excess drug spiked to Preanalyzed drug (%)*	Drug content (ng per spot)	Recovery (%)	%RSD	SE
0	600	99.36	0.55	0.45
80	1080	100.49	0.78	0.64
100	1200	100.45	0.65	0.53
120	1420	100.41	0.62	0.51

*(𝑛=6).