HPTLC-densitometric method | |||
Laboratory-prepared mixture | % Recoverya | ||
SBR (μg band− 1) | LPV (μg band− 1) | SBR | LPV |
8.00 | 0.90 | 98.53 | 100.43 |
4.00 | 1.80 | 99.72 | 99.92 |
4.00 | 0.90 | 100.99 | 98.99 |
4.00 | 0.45 | 99.81 | 101.01 |
2.00 | 0.90 | 101.11 | 98.81 |
Mean ± SD% | 100.03 ± 1.059 | 99.83 ± 0.936 | |
RP HPLC-UV method | |||
Laboratory-prepared mixture | % Recoverya | ||
SBR (μg ml− 1) | LPV (μg ml− 1) | SBR | LPV |
80.00 | 9.00 | 98.14 | 98.17 |
40.00 | 18.00 | 99.32 | 98.92 |
40.00 | 9.00 | 99.72 | 99.57 |
40.00 | 4.50 | 100.38 | 98.72 |
20.00 | 9.00 | 98.61 | 98.61 |
Mean ± SD % | 99.23 ± 0.886 | 98.80 ± 0.512 |