Research Article

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

Table 2

Intraday and interday precision of HPTLC method.

Amount
(ng per spot)
Intraday precision ( 𝑛 = 6 )Interday precision ( 𝑛 = 6 )
Mean areaSD%RSDSEMean areaSD%RSDSE

6005403.2324.430.459.975356.3825.230.4710.30
8007209.1722.690.319.267154.1624.290.349.91
10009015.2821.790.248.898928.8122.160.259.04

SD: standard deviation; SE: standard error.