% degradation  Drug recovery % UPLC method FDSFS 5 98.90 98.10 10 98.88 99.20 30 99.30 98.40 50 100.40 98.20 90 100.50 99.30 Mean 99.60 98.64 SD 0.80 0.57

Table 5: The determination of atomoxetine HCl in a mixture of its acid degradation products in laboratory prepared mixture by the proposed methods.