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Table 6 A 23 full factorial design for robustness of the method

From: Environmentally benign liquid chromatographic method for concurrent estimation of four antihistaminic drugs applying factorial design approach

Response

Goal

Lower

Target

Upper

Weight

Importance

Tr DES

Target

7.9

8

8.1

1

1

Tr RUP

Target

9.7

9.72

9.75

1

1

Tr FEX

Target

11.1

11.6

11.7

1

1

Tr MKT

Target

14

14.3

14.6

1

1

Rs DES

Target

3.74

3.75

3.76

1

1

Rs RUP

Target

3.20

3.21

3.23

1

1

Rs FEX

Target

3

3.07

3.1

1

1

Rs MKT

Target

3.44

3.45

3.46

1

1

Tf DES

Target

1.41

1.42

1.46

1

1

Tf RUP

Target

1.2

1.21

1.22

1

1

Tf FEX

Target

0.9

0.93

0.95

1

1

Tf MKT

Target

1.2

1.21

1.22

1

1