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

Table 5

Summary of validation parameters.

Parameter	Data
Linearity range	600–2000 (ng per spot)
Limit of detection	100 (ng per spot)
Limit of quantification	350 (ng per spot)
Correlation coefficient	0.9962±0.0015
Recovery (%)	99.85±0.60
Precision (%RSD)
Interday	0.35
Intraday	0.33