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Table 1 Different validated parameters of the present method

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

Parameters

CAF

PSE

DOX

PAR

Linearity range (µg/mL)

1.0–22.0

1.0–24.0

10.0–90.0

1.0–15.0

Slope

0.0528

0.0423

0.0125

0.1015

Intercept

0.0052

0.0918

0.0031

0.0809

LOD (µg/mL)

0.021

0.124

0.186

0.137

LOQ (µg/mL)

0.070

0.414

0.621

0.456

Correlation coefficient (r)

0.9999

0.9997

0.9998

0.9997

Accuracy (%R)a

    

Mean ± SD

100.71 ± 0.851

99.21 ± 1.114

100.5 ± 0.772

99.88 ± 1.020

Precision (%RSD)b

    

Repeatability

0. 938

0.911

0.613

0.508

Intermediate precision

0.953

0.917

0.745

0.553

  1. aNine determinations average
  2. bNine determinations precision