Table 2 Retention time of the three active principles and their fragments coming from the photodegradation (see Figures1, 2 and 3)
Active principle | Peak | Retention time |
|---|---|---|
Finasteride | 1 | 5′ 25″ |
Diclofenac | 1 | 6′ 30″ |
Diclofenac fragment | 2 | 4′ 20″ |
Diclofenac fragment | 3 | 5′ 55″ |
Naproxen | 1 | 4′ 25″ |
Naproxen fragment | 2 | 5′ 30″ |
Naproxen fragment | 3 | 2′ 50″ |
Naproxen fragment | 4 | 3′ 20″ |
Naproxen fragment | 5 | 3′ 45″ |
Naproxen fragment | 6 | 4′ 15″ |
Naproxen fragment | 7 | 4′ 35″ |