Table I.
L9(34) orthogonal array.
| Factor | ||||
|---|---|---|---|---|
| Level | Duration, min | Ethanol concentration, % | Temperature, °C | Liquid-to-solid ratio |
| 1 | 30 | 65 | 70 | 20:1 |
| 2 | 35 | 70 | 75 | 25:1 |
| 3 | 40 | 75 | 80 | 30:1 |
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.