Journal of Analytical Methods in Chemistry / 2020 / Article / Tab 7 / Research Article
Simultaneous Determination of Ternary Mixture of Carboxin, Chlorpyrifos, and Tebuconazole Residues in Cabbage Samples Using Three Spectrophotometric Methods Table 7 Composition of synthetic samples, their predictions by PLS-2 model, and statistical parameters for the system.
Mixture (μ g/mL) Prediction (μ g/mL) Recovery (%) TEB CAR CHL TEB CAR CHL TEB CAR CHL 1.0 5.0 5.0 1.1538 4.8864 5.1665 115.384 97.7284 103.3292 3.0 5.0 5.0 2.9352 5.0309 4.8647 97.841 100.6188 97.2946 5.0 5.0 5.0 4.8985 5.0348 4.9533 97.9694 100.6962 99.0666 8.0 5.0 5.0 8.0142 5.0072 5.0041 100.1775 100.1446 100.0822 10.0 5.0 5.0 10.4588 5.0396 5.0815 104.5875 100.7914 101.6296 15.0 5.0 5.0 14.9976 5.0451 4.9865 99.9838 100.9014 99.7292 20.0 5.0 5.0 20.0810 5.0582 5.0307 100.4049 101.1638 100.6134 25.0 5.0 5.0 24.9038 5.0167 5.0803 99.61512 100.3348 101.6064 30.0 5.0 5.0 29.9612 4.8925 5.0327 99.87063333 97.8498 100.6548 35.0 5.0 5.0 34.9406 4.9169 5.0155 99.83025714 98.3370 100.3100 40.0 5.0 5.0 39.9352 5.0613 4.9577 99.837875 101.2268 99.1542 45.0 5.0 5.0 45.0852 5.0168 4.9507 100.1893111 100.3362 99.0144 5.0 1.0 5.0 5.0206 0.9791 5.0675 100.4118 97.9080 101.3494 5.0 3.0 5.0 4.8683 2.9711 4.9546 97.3662 99.0353 99.0916 5.0 5.0 5.0 4.7783 5.0556 4.7905 95.5654 101.1110 95.8098 5.0 8.0 5.0 5.0285 8.0553 5.1218 100.5702 100.6906 102.4360 5.0 10.0 5.0 5.0801 10.0092 4.9350 101.6022 100.0915 98.6992 5.0 12.0 5.0 4.7582 11.8771 4.8902 95.1634 98.9755 97.8038 5.0 15.0 5.0 5.0684 14.9575 5.0535 101.3678 99.7166 101.0694 5.0 18.0 5.0 5.0175 18.0244 4.9093 100.3492 100.1354 98.1852 5.0 20.0 5.0 5.1071 20.2095 5.1159 102.1426 101.0476 102.3174 5.0 25.0 5.0 4.8286 24.8066 4.9015 96.572 99.2264 98.0302 5.0 30.0 5.0 5.0737 30.0459 5.0720 101.4746 100.1530 101.4394 5.0 5.0 1.0 5.0518 5.0269 1.0148 101.035 100.5376 101.4770 5.0 5.0 3.0 5.0373 5.0372 3.0660 100.7464 100.7434 102.2013 5.0 5.0 5.0 4.9260 4.9755 4.9260 98.519 99.5098 98.5208 5.0 5.0 8.0 5.0191 4.8732 8.2167 100.3814 97.4644 102.7084 5.0 5.0 10.0 4.9644 5.0564 10.2209 99.2886 101.1288 102.2089 5.0 5.0 12.0 5.0038 5.0637 11.5764 100.0754 101.2744 96.4698 5.0 5.0 15.0 4.9029 4.9253 14.8613 98.0588 98.5050 99.0753 5.0 5.0 20.0 5.0941 5.0256 20.0511 101.8816 100.5116 100.2556 5.0 5.0 25.0 5.0098 4.9747 25.2086 100.1966 99.4942 100.8342 5.0 5.0 30.0 5.0380 5.0328 30.0165 100.7604 100.6568 100.0549 5.0 5.0 40.0 4.9562 5.0607 39.8884 99.1234 101.2142 99.7210 5.0 5.0 50.0 5.0025 4.9505 50.0176 100.049 99.0102 100.0353 Mean recovery 100.2397799 99.9506 100.0651 0.8004 0.7524 0.8780 + R.S.E. (%) total 0.8232
