Table 4.
%Recovery ± RSD | ||||||
---|---|---|---|---|---|---|
1DD | TLC densitometry | Reported methoda | ||||
ASP | OMZ | ASP | OMZ | ASP | OMZ | |
Yosprala ® tabletsb | 100.15 ± 0.621 | 99.62 ± 0.705 | 98.27 ± 0.523 | 99.18 ± 0.689 | 99.34 ± 0.945 | 100.01 ± 1.017 |
Standard additionc | 98.77 ± 0.621 | 99.07 ± 0.821 | 99.25 ± 0.408 | 98.25 ± 0.258 | ||
t-test (2.306)d | 0.256 | 0.385 | 0.327 | 0.415 | ||
F-test (6.388)d | 1.294 | 1.186 | 1.257 | 1.824 |
aHPLC determination using C18 column and mobile phase consists of acetonitrile: water; pH 2.9 (60:40, by volume) with a flow rate of 1 mL/min and UV detection at 240 nm
bAverage of five determinations
cAverage of three determinations
dThe values in parenthesis are tabulated values of “t” and “F” at (P = 0.05)