From: A novel method for spectrophotometric determination of pregabalin in pure form and in capsules
Validation parameter | Results |
---|---|
Absorption maximum | 402.6 nm |
Regression equation | y = 1.908x - 0.056 |
Slope | 1.908 |
Intercept | 0.056 |
Beer's law limit (μg mL-1) | 50-1000 |
Molar Absorptivity (L/mol-1/cm-1) | 1198.4 |
Sandell's sensitivity (μg/cm2/0.001 A.U) | 0.1328 |
Coefficient of correlation(r) | 0.992 |
Limit of detection (LOD) | 0.006 mg/mL |
Limit of quantification (LOQ) | 0.02 mg/mL |
Accuracy | 100.43 ± 1.24 |
Precision | Intra-day = 0.62 |
Inter-day = 0.61 | |
Robustness | Less than 1% |
% Purity | 99.8% |