Table 1.
Components of the mixture design and their selected levels.
| Component | Level | |
|---|---|---|
| Low | High | |
| Oil percentage (X1) | 10 | 15 |
| Surfactant percentage (X2) | 40 | 60 |
| Co-surfactant percentage (X3) | 30 | 50 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.