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Future Journal of Pharmaceutical Sciences

Table 6 Application of the proposed method in the analysis of IBU and CAF commercial tablet

From: A new gas chromatographic method development and validation for the simultaneous determination of ibuprofen and caffeine in bulk and pharmaceutical dosage form

Analyte

Method

%Recoverya

SD

F valueb

t valuec

IBU

GC

100.44

0.95

3.93

2.09

HPLC (reference method)

99.70

0.48

CAF

GC

100.97

0.79

1.74

1.14

HPLC (reference method)

100.61

0.60

  1. aMean of five determinations
  2. bThe critical value for F equals 6.388 at p = 0.05
  3. cThe critical value for t equals 2.776 at p = 0.05
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