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21•31 fractional experimental design matrix and responses obtained for lemon essential oil (LEO) adsorption at 100 wt%.
| Sample Code | Independent Variables | Response | Solvent | ||
|---|---|---|---|---|---|
| Nanoclay | Surfactant (wt%) * | Absorbance 220 nm | Absorbance 265 nm | ||
| HT.EO.1 | HT | 1 | 4.39 | 3.73 | 50% (v/v) ethanol |
| HT.EO.2 | HT | 5 | 4.45 | 2.30 | |
| HT.EO.3 | HT | 10 | 4.47 | 2.11 | |
| MMT.EO.1 | MMT | 1 | 5.16 | 4.23 | Distilled water |
| MMT.EO.2 | MMT | 5 | 4.58 | 3.27 | |
| MMT.EO.3 | MMT | 10 | 3.98 | 2.13 | |
* CPB was used for MMT and SDS for HT.
