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Table 3 Standard addition technique of CAF, PSE, DOX and PAR in Cafamol Extra® tablets

From: The simultaneous measurement of quaternary mixture in over-the-counter cold medications using sequential spectrophotometric resolution approach enhanced with in-lab sample enrichment

Sample

CAF

PSE

DOX

PAR

Cafamol extra ® tablets (Found% ± S.D)*

98.21 ± 0.954

100.82 ± 0.0.748

99.22 ± 0.369

98.66 ± 0.528

Standard addition (Recovery % ± SD)**

100.32 ± 0.901

99.34 ± 0.712

99.64 ± 0.321

98.47 ± 0.257

  1. *Each experiment repeated three times of three concentration of the tablets (20,40,60 mg)
  2. **Means of nine determinations