Table 2 Changes in pH at the extraction process
From: Extraction of eco-friendly natural dyes from mango leaves and their application on silk fabric
Sl. No. | Set pH for extraction | pH after extraction | |
|---|---|---|---|
After filtration | After 24 h of filtration | ||
1 | 3 | 2.9 | 3.3 |
2 | 4 | 3.9 | 4.2 |
3 | 5 | 4.6 | 4.9 |
4 | 6 | 4.9 | 5.1 |
5 | 7 | 5.2 | 5.1 |
6 | 8 | 5.9 | 5.6 |
7 | 9 | 6.2 | 5.8 |
8 | 10 | 6.4 | 6 |
9 | 11 | 6.7 | 6.7 |
10 | 12 | 7.3 | 7 |