Table 4 Optimization of digestion time for digestion of sample mass (0.5 g) for volume (10 mL) at 300°C
From: Levels of selected metals in leaves of Cannabis sativa L. cultivated in Ethiopia
No. | Time (h) | Observation |
|---|---|---|
1 | 2:00 | Colorless solution with some residue |
2 | 2:30 | Colorless solution with some residue |
3 | 3:30 | Clear and colorless with some residue |
4 | 4:00 | Clear and colorless |