(a) By HPTLC |
Drugs |
Label claim
mg tab-1 |
Amount added in mg
(%) |
Total amount
(mg) |
Actual conc.
taken (ng spot-1) |
For HPTLC (n= 6) |
calculated conc. ± SD |
RSD (%) |
Recovery (%) |
Levocetirizine |
5 |
2.5 |
7.5 |
600 |
605.61± 3.15 |
0.52 |
101.87 |
5 |
10 |
800 |
799.0± 10.47 |
1.31 |
99.75 |
7.5 |
12.5 |
1000 |
998.6± 9.19 |
0.92 |
99.72 |
Montelukast sodium |
10 |
5 |
15 |
1200 |
1212.0± 7.15 |
0.59 |
102.00 |
10 |
20 |
1600 |
1604.0± 6.73 |
0.42 |
100.55 |
15 |
25 |
2000 |
2001.9± 23.22 |
1.16 |
100.19 |
|
(b) By HPLC |
Drugs |
Label claim
mg tab-1 |
Amount added in mg
(%) |
Total amount
(mg) |
Actual conc. Taken (µg mL-1) |
For HPLC (n= 6) |
calculated conc. ± SD |
RSD (%) |
Recovery (%) |
Levo
cetirizine |
5 |
2.5
(50%) |
7.5 |
3 |
3.028 ± 0.03 |
0.98 |
100.94 |
5
(100%) |
10 |
4 |
4.048 ± 0.03 |
0.79 |
101.20 |
7.5 (150%) |
12.5 |
5 |
5.006± 0.02 |
0.39 |
100.12 |
Montelukast sodium |
10 |
5
(50%) |
15 |
6 |
6.16 ± 0.03 |
0.48 |
102.66 |
10
(100%) |
20 |
8 |
8.092 ± 0.06 |
0.74 |
101.16 |
15
(150%) |
25 |
10 |
10.04 ± 0.02 |
0.19 |
100.40 |
|
Table 4: Accuracy studies. |