Table 6 Evaluation of the accuracy of the proposed HPLC method (method A) for the determination of Ascorbic acid by standard addition on Ultracalce®capsules
Claimed Conc of Asc taken from capsule in (µg/mL) | %Found Conc. ± RSD* | Std. Conc. Added (µg/mL) | Total recovered Conc(µg/mL) | Recovered Conc of standard added (µg/mL) | % Recovery |
|---|---|---|---|---|---|
20 | 32.86% ± 1.58 | 10.00 | 16.73 | 10.16 | 101.6 |
20.00 | 26.32 | 19.75 | 98.75 | ||
40.00 | 46.50 | 39.93 | 99.83 |