Pharmaceutical preparations Taken (µg/mL) Found (µg/mL) Mean % Rec
Erythrocin 100 mg 15 15.03 100.45
19 18.98 99.82
23 23.14 100.84
Rulid® 50 mg 8 8.23 101.82
12 12.37 101.86
16 15.82 99.40
Claritek 250mg 24 23.96 99.49
28 27.81 99.37
32 31.97 99.72
Table 3: Recovery of macrolides in pharmaceutical formulations by the proposed method.