Pharmaceutical Preparation Labelled Amount (mg) Found Amount (mg)a
Calibration curve
Method
Standard addition
Method
Lazithro tablets b 250 249.7 ± 2.7 247.6 ± 3.4
Azee tablets c 250 260.7 ± 6.9 249.3 ± 1.1
AzithralLiquidd 20 20.2 ± 1.2 21.1 ± 1.8
Phexincapsulese 500 493.1 ± 3.0 499.1 ± 5.9
Cefftabletsf 250 247.6 ± 3.0 251.7 ± 1.9
Phexin oral suspensiong 250 254.5 ± 1.6 245.2 ± 2.7
a(Avg ± SD) of three determinations
bLesanto laboratories
cCipla Pharmaceuticals
dAlembic Pharmaceutical Limited
e,g GlaxoSmithKline Limited
f Lupin Limited
Table 6: Analysis of pharmaceutical formulations.