Comparative Study of Novel Ratio Spectra and Isoabsorptive Point Based Spectrophotometric Methods: Application on a Binary Mixture of Ascorbic Acid and Rutin
Table 3
Statistical comparison for the results obtained by the proposed spectrophotometric methods and the reported method [11] for the analysis of AA and RU (Ruta C 60) batch number 1210864.
Value
Direct
A_Sum
Iso_RD
A_Sum
Iso_RD
Iso_P
RD
1DD
MCN
RS
Reported PLS method
RU
RU
RU
AA
AA
AA
AA
AA
AA
AA
RU
AA
Mean
97.62
99.16
101.29
101.19
98.49
99.38
99.83
98.22
98.54
98.01
100.03
100.40
SD
1.61
2.20
1.75
0.89
1.17
2.03
1.93
2.00
1.93
1.94
3.34
1.92
RSD%
2.00
2.22
1.72
0.88
1.19
2.14
1.93
2.04
1.96
1.98
3.34
1.91
5
5
5
5
5
5
5
5
5
5
5
5
Variance
2.58
4.83
3.05
0.80
1.36
4.35
3.65
3.99
3.70
3.75
11.14
3.68
value
4.323 (6.388)
2.307 (6.388)
3.649 (6.388)
4.605 (6.388)
2.703 (6.388)
1.119 (6.388)
1.086 (6.388)
1.011 (6.388)
1.008 (6.388)
1.018 (6.388)
-test
1.453 (2.447)
0.482 (2.365)
0.752 (2.447)
1.943 (2.447)
1.902 (2.365)
0.820 (2.306)
0.474 (2.306)
1.765 (2.306)
1.535 (2.306)
1.963 (2.306)
PLS method. The values in the parenthesis are the corresponding theoretical values of and at .
