Table 3 Parameters of system suitability testing of the developed thin layer densitometric method.

From: TLC densitometric approach for concurrent determination of quinary mixture for treatment of migraine with appraisal to method greenness and whiteness

Parameters

DIP

ERG

CAF

PHEN

MEP

Reference46

Retardation factor (Rf)

0.06

0.36

0.50

0.86

0.55

Resolution (Rs)

5.00

2.20

5.50

R > 1.5

Retention factor (k)

15.67

1.78

1.00

0.16

0.82

Selectivity (α)

8.80

1.78

6.25

α > 1

Symmetry factor

1.03

1.00

1.02

1.00

1.05

< 1.5