Table 5: Results of recovery study by standard addition method.

Tablets studiedZMT in tablets, μg mL−1Pure ZMT added, μg mL−1Total found, μg mL−1Pure ZMT recovered*, percent ± SD

Zomig-2.519.8410.030.01101.7 ± 0.82
19.8420.040.13101.4 ± 1.12
19.8430.050.52102.3 ± 1.45

*Mean value of three determinations.