Table 3 Factors and levels in orthogonal design of experiment for aqueous extraction
From: Extraction of eco-friendly natural dyes from mango leaves and their application on silk fabric
Levels | Factors | ||
|---|---|---|---|
Temperature (°C) | Time (min) | Material-to-liquor ratio | |
1 | 80 | 45 | 1:10 |
2 | 90 | 60 | 1:13 |
3 | 98 | 75 | 1:16 |