Drug Parameter | Vit. C | Vit. A |
---|---|---|
Laboratory prepared mixture ** (Mean ± RSD ) n = 6 * | 99.78% ± 1.55 | 100.46% ± 1.11 |
Application in cosmetic formulation*** (Mean ± RSD ) n = 6* | 100.59% ± 0.90 | 99.86% ± 1.27 |
Application in pharmaceutical preparation**** (Mean ± RSD ) n = 6* | 100.72% ± 1.39 | 100.79% ± 1.21 |
Standard addition technique (Mean ± RSD ) n = 6* | 99.49% ± 1.58 | 100.26% ± 1.86 |