Name of the drug
Amount of drug in tablet (µg)
a
Amount of pure drug added (µg)
Total found (µg)
b
(Mean ± SD
c
)
RSD (%)
Recovery of pure drug added (%)
MET
49.88
50
99.57 ± 0.247
0.248
99.38
49.88
50.5
100.13 ± 0.217
0.216
99.50
49.88
51
100.28 ± 0.091
0.091
100.01
PIOG
1.47
1.5
2.95 ± 0.009
0.303
98.93
1.47
2.0
3.47 ± 0.013
0.376
99.4
1.47
2.5
3.95 ± 0.019
0.474
99.2
GLIB
0.48
0.5
0.98 ± 0.009
0.913
97.20
0.48
1.0
1.47 ± 0.014
0.962
99.0
0.48
1.5
1.96 ± 0.013
0.663
99.20
a
Triglycomet 20 tablet (500 mg MET 15 mg PIOGG and 5 mg GLIB).
b
Five independent analyses.
c
Standard deviation.
Table 3:
Results of recovery studies by standard addition method.