Parameters | MCR method | PLS method | ||||
---|---|---|---|---|---|---|
MEH | DF | MET | MEH | DF | MET | |
L.P.M a | 99.91 ± 2.338 | 100.88 ± 2.149 | 102.39 ± 1.780 | 99.85 ± 2.368 | 101.40 ± 1.311 | 100.54 ± 2.194 |
RMSEP | 0.063 | 0.200 | 0.459 | |||
Dimetrol ® tablets b (B.No.909537) | 98.49 ± 1.419 | 100.15 ± 1.332 | 99.45 ± 1.127 | 99.33 ± 1.329 | 99.44 ± 0.965 | 100.78 ± 1.575 |
Standard addition a | 99.23 ± 1.122 | 101.50 ± 2.701 | 100.02 ± 1.752 | 102.54 ± 0.638 | 100.00 ± 1.858 | 98.90 ± 0.996 |
Degree of freedom | 10 | 10 | 10 | 10 | 10 | 10 |
F-test | ||||||
(5.050)c | 2.037 | 2.506 | 1.061 | 1.786 | 1.315 | 2.070 |
Degree of freedom Student's -t test (2.228)c | 10 | 10 | 10 | 10 | 10 | 10 |
1.905 | 1.137 | 0.376 | 0.755 | 0.758 | 2.007 |