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 () | | Interday precision () | | Mean area | SD | %RSD | SE | Mean area | SD | %RSD | SE |
| 600 | 5403.23 | 24.43 | 0.45 | 9.97 | 5356.38 | 25.23 | 0.47 | 10.30 | 800 | 7209.17 | 22.69 | 0.31 | 9.26 | 7154.16 | 24.29 | 0.34 | 9.91 | 1000 | 9015.28 | 21.79 | 0.24 | 8.89 | 8928.81 | 22.16 | 0.25 | 9.04 |
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SD: standard deviation; SE: standard error.
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