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Variables and levels of independent variables of coatings of chitosan, palmitic acid, and activated carbon, according to the Factorial Experimental Design 24 + central points.
| Variable | Level | ||
|---|---|---|---|
| −1 | 0 | 1 | |
| CCH (% w/w) | 1.0% | 1.5% | 2.0% |
| CPA (% w/w) | 0.2% | 1.0% | 1.8% |
| CAC (% w/w) * | 0.2% | 0.7% | 1.2% |
| NL | 1 L | 3 L | 5 L |
* based on chitosan mass.
