Research Article
Quantitative Analysis of Resorcinol from Marketed Hair Tonic Using Liquid Chromatographic Technique
Table 3
Results of accuracy study.
| | % Of nominal value | Estimated
Concentration of final solution in (g·mL−1)* | Estimated Recovery
% | Actual concentration of final solution (g·mL−1)* | Average assay*
(mg·100 mL−1) | Actual
Recovery
% | Accuracy
% | %RSD |
| | 100 | 50.00 | — | 45.03 | 45.80 | — | — | 0.89 | | 80 | 40.00 | 80.00 | 36.36 | 36.99 | 80.76 | 100.95 |
0.54 | | 110 | 56.06 | 112.12 | 50.63 | 51.39 | 112.20 | 100.07 | | 120 | 60.66 | 121.32 | 54.69 | 55.55 | 121.29 | 99.97 |
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Note: Average from three replicate injections from sample preparations.
The recovery study is carried out over three-concentration range.
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