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Journal of Analytical Methods in Chemistry
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2021
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Article
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Tab 2
/
Research Article
Establishment of the Quantitative Analysis of Multiindex in
Euphorbia lathyris
by the Single Marker Method for
Euphorbia lathyris
Based on the Quality by Design Concept
Table 2
CCD experimental program and response value.
No.
Methanol ratio X1 (%)
Column temperature X2 (°C)
Chromatographic resolution Y
1
65 (0)
25 (0)
1.56
2
65 (0)
25 (0)
1.12
3
65 (0)
25 (0)
0.98
4
72.07 (1.414)
25 (0)
1.33
5
65 (0)
17.93 (−1.414)
3.19
6
65 (0)
25 (0)
0.86
7
65 (0)
25 (0)
1.11
8
60 (−1)
20 (−1)
1.87
9
65 (0)
32.07 (1.414)
1.96
10
60 (−1)
30 (+1)
2.08
11
70 (+1)
20 (−1)
1.84
12
57.93 (−1.414)
25 (0)
2.35
13
70 (+1)
30 (+1)
0.19