Research Article
Determination of Ten Corticosteroids in Illegal Cosmetic Products by a Simple, Rapid, and High-Performance LC-MS/MS Method
Table 3
Validation data of recovery for samples containing spiked standard solutions in blank cosmetic preparations.
| Steroids | Spiked conc. (mg kg−1) | % recovery |
| CLP | 0.5 | 98.9 | 1.0 | 99.0 | 1.5 | 99.1 |
| DEX | 0.5 | 94.3 | 1.0 | 96.2 | 1.5 | 96.8 |
| MPD | 0.5 | 98.8 | 1.0 | 97.6 | 1.5 | 99.1 |
| PDL | 0.5 | 95.5 | 1.0 | 96.3 | 1.5 | 97.7 |
| FLA | 0.5 | 92.1 | 1.0 | 93.4 | 1.5 | 92.9 |
| FLM | 0.5 | 97.6 | 1.0 | 99.1 | 1.5 | 98.8 |
| PDN | 0.5 | 99.2 | 1.0 | 99.5 | 1.5 | 99.0 |
| TRM | 0.5 | 93.1 | 1.0 | 92.6 | 1.5 | 94.2 |
| TRA | 0.5 | 92.4 | 1.0 | 91.9 | 1.5 | 93.0 |
| BCL | 0.5 | 96.4 | 1.0 | 93.4 | 1.5 | 94.7 |
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