Skip to main content

Table 3 Amount in mg of amoxicillin in the tested weighed mass

From: Are antibiotics substandard in Lebanon? Quantification of active pharmaceutical ingredients between brand and generics of selected antibiotics

MedicineMass of unknown sampleMass of amoxicillinper pillMean amount of amox (mg)SD (a)RSD (b) (%)Relative deviation (%)©USP requirement
Drug1.10.5886544.29547.142.600.479.4290–120%
Drug1.20.581549.42
Drug1.30.5832547.705
Drug2.10.6058554.11556.904.550.8111.3890–120%
Drug2.20.6022554.44
Drug2.30.6068562.16
Drug3.10.6058551.62549.675.410.989.9390–120%
Drug3.20.6022553.83
Drug3.30.6068543.55
  1. a: SD = \( \sqrt{\frac{\sum \left(x-\overline{x}\right)}{n}} \) b: RSD = \( \frac{SD\ }{\overline{X}}\times 100 \) c: RD = \( \frac{experimental- expected}{expected} \)