Table 2 System suitability parameters for BBL and MTK by the proposed RP-HPLC method.

From: Eco-friendly RP-HPLC determination of bambuterol hydrochloride and montelukast sodium in tablet dosage with dissolution analysis

Parameter

BBL

 

MTK

Reference value27

Retention time (Rt) (min.)

2.25

 

15.64

Resolution (Rs)

 

15.72

 

>2

Capacity factor (K)

1.50

 

16.38

1–10

Tailing factor (T)

1.40

 

1.32

≤ 2

Selectivity (α)

 

10.84

 

1.1 or more

Number of theoretical plates (N)

2298

 

2784

> 2000

Height equivalent to theoretical plate (HETP) (mm)

0.109

 

0.090

The smaller the value, the higher the column efficiency