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Summary of the validation parameters for UV–vis spectrophotometry method.
| Validation Parameters | Metformin HCL analysis by UV–Vis spectrophotometry |
|---|---|
| Linearity range (μg/ml) | (2.50–40.00) |
| Correlation coefficient (r2) | ≥0.99733 |
| %Recovery | (90–110 %) |
| Repeatability and Reproducibility % RSD | <10 % |
