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Table 1 Concentrations of ETO, PCM, PAP and PHA in the calibration and validation sets for the multivariate calibrations

From: Novel analytical method based on chemometric models applied to UV–Vis spectrophotometric data for simultaneous determination of Etoricoxib and Paracetamol in presence of Paracetamol impurities

Mix no

Concentration (μg mL−1)

ETO

PCM

PAP

PHA

1

4.5

6

4

4

2

4.5

2

3

2

3

1.5

4

2

6

4

3

2

6

6

5

1.5

10

6

4

6

7.5

10

4

3

7

7.5

6

3

6

8

4.5

4

6

3

9a

3

10

3

5

10a

7.5

4

5

5

11a

3

8

5

4

12a

6

8

4

6

13

6

6

6

5

14a

4.5

10

5

6

15

7.5

2

6

2

16a

6

10

2

2

17

7.5

2

2

4

18

1.5

2

4

5

19

1.5

6

5

2

20

4.5

8

2

5

21

6

2

5

3

22

1.5

8

3

3

23

6

4

3

4

24a

3

6

2

3

25

3

4

2

4

  1. aThe italic emphasis rows represent the validation set
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BMC Chemistry

ISSN: 2661-801X

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