Parameters
HPTLC
HPLC
6:8:2, v/v/v
5:9:2, v/v/v
pH =5.5
pH= 5.6
R
f
(HPTLC) / t
R
,min (HPLC) of QTF
1.015
0.97
3.56
3.58
T
0.97
1.04
1.02
1.07
N
4753
4634
R
s
b
1.37
1.24
2.00
1.96
a
RSD% (n=3).
b
Resolution of QTF to the nearest compound (DQ).
Table 4:
Results
a
of robustness testing of the proposed chromatographic methods for determination of QTF.