Items

         Betahistine dihydrochloride

Etilefrine hydrochloride

Official
method

Proposed
method

Official
method

Proposed
method

 

Mean
( p= 0.05)
N
S.D.
R.S.D
V
t
F

 

100. 45

5
0.674
0.671
0.454
-
-

 

100.51

9
0.776
0.772
0.602
      0.145 (2.179)*
1.33 (3.84)*

 

100.06

6
0.655
0.654
0.429
-
-

 

100.13

6
0.848
0.847
0.719
0.159 (2.228)*
1.68 (5.05)*

*Theoretical values of t and F at p = 0.05
Table (9): Statistical data for the determination of betahistine dihydrochloride and etilefrine hydrochloride using fixed time method compared with official methods [28].