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Future Journal of Pharmaceutical Sciences

Table 5 Analysis of pharmaceutical dosage form (Panadol®) and application of standard addition technique by the proposed spectrophotometric methods for determination of PAR

From: Simultaneous spectrophotometric determination of recombined sofosbuvir, ledipasvir and paracetamol together as commonly repurposed drugs for COVID-19 treatment

PAR(first derivative)

Panadol® %recovery* ± SD

Standard addition

Pure taken (µg/mL)

Pure found (µg/mL)

Recovery (%)*

103.82 ± 1.89

2.4

2.37

98.75

4.8

4.88

101.66

9.6

9.48

98.75

Mean ± SD

99.72 ± 1.68

  1. *Average of three determinations
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