HPTLC-densitometric method | ||||||||
Sample no. | Claimed conc. (μg band− 1) | Pure added conc. (μg band− 1) | Pure found conc. (μg band− 1) | % Recoverya of the added conc. | ||||
SBR | LPV | SBR | LPV | SBR | LPV | SBR | LPV | |
1 | 4.00 | 0.90 | 2.00 | 0.45 | 1.98 | 0.45 | 99.00 | 100.00 |
2 | 4.00 | 0.90 | 4.00 | 0.90 | 4.04 | 0.89 | 101.00 | 98.89 |
3 | 4.00 | 0.90 | 6.00 | 1.35 | 6.03 | 1.33 | 100.50 | 98.52 |
Mean ± SD % | 100.17 ± 1.041 | 99.14 ± 0.771 | ||||||
RP HPLC-UV method | ||||||||
Sample no. | Claimed conc. (μg ml− 1) | Pure added conc. (μg ml− 1) | Pure found conc. (μg ml− 1) | % Recoverya of the added conc. | ||||
SBR | LPV | SBR | LPV | SBR | LPV | SBR | LPV | |
1 | 40.00 | 9.00 | 20.00 | 4.50 | 19.78 | 4.52 | 98.90 | 100.44 |
2 | 40.00 | 9.00 | 40.00 | 9.00 | 40.02 | 9.11 | 100.05 | 101.22 |
3 | 40.00 | 9.00 | 60.00 | 13.50 | 60.90 | 13.26 | 101.50 | 98.22 |
Mean ± RSD % | 100.15 ± 1.303 | 99.96 ± 1.557 |