Research Article
An Ecofriendly and Stability-Indicating HPLC Method for Determination of Permethrin Isomers: Application to Pharmaceutical Analysis
Table 2
Precision, accuracy, and recovery data for the proposed method.
| |
Isomers |
Permethrin concentration
(μg/mL) | Precision (RSD, %) | | Recovery ()
| | Intraday () | Interday
() |
Accuracy ()
mean (RSD, %) | Target concentration
(μg/mL) | Calculated concentration μg/mL (mean) | % | ±SD |
| | Trans- | 0.50 | 1.85 | 2.07 | 100.94 (2.90) | 7.0 (5.25 as trans) | 5.21 | 99.24 | 0.03 | | 10.00 | 0.94 | 1.30 | 101.00 (0.43) | 9.0 (6.75 as trans) | 6.71 | 99.41 | 0.09 | | 20.00 | 0.84 | 1.78 | 101.28 (0.55) | 13.0 (9.75 as trans) | 9.82 | 100.72 | 0.14 | | 50.00 | 0.73 | 1.80 | 99.53 (0.14) | | | | |
| | Cis- | 0.500 | 1.90 | 1.94 | 101.42 (2.20) | 7.0 (1.75 as cis ) | 1.75 | 100.00 | 0.03 | | 10.00 | 0.70 | 1.90 | 101.23 (0.47) | 9.0 (2.25 as cis ) | 2.26 | 100.44 | 0.04 | | 20.00 | 1.10 | 1.22 | 99.58 (1.98) | 13.0 (3.25 as cis) | 3.24 | 99.69 | 0.03 | | 50.00 | 1.02 | 1.91 | 99.96 (0.43) | | | | |
|
|
