Table 5: Results of intra-day and inter-day precision of triamcinolone acetonide (TAM) and benzyl alcohol (BZA).

Drug

conc. µg /mL

Intra-day

Inter-day

Mean ± SD

RSD

Mean ± SD

RSD

TAM

10

100.95 ± 0.083

0.0824

101.02 ± 0.078

0.077

BZA

4

101.44 ± 0.17

0.17

101.86 ± 0.12

0.12