From: Determination of antihistaminic drugs alcaftadine and olopatadine hydrochloride via ion-pairing with eosin Y as a spectrofluorimetric and spectrophotometric probe: application to dosage forms
Parameters
Reported method [8]
Method A
Method B
% Recoverya
100.20
101.05
99.98
Standard deviation, SD
0.55
1.19
0.91
Number of determinations
5
t-valuea
1.46
0.81
F-value a
4.72
0.36