Table 6 System suitability parameters of the proposed HPLC method for the determination of AZT, FP and OXY in nasal mucosa.

Retention time (min)

6.61

9.81

2.45

Capacity factor (k^,)

7.92

12.16

2.21

K’ > 2.00

Tailing factor (T)

0.97

0.97

1.08

T ≤ 2.00

Number of theoretical plates (N)

8033

3596

5440

N > 2000

Height equivalent to theoretical plates (HETP)

0.03

0.06

0.04

The smaller the value, the higher the column efficiency

Selectivity

3.58

1.53

-

ɑ > 1.00

Resolution (RS)

-

20

7.2

RS > 1.50