Table 2.
S.No | Solvents | Visible | Long 365 nm | Short 254 nm |
---|---|---|---|---|
1 | Powder | Brown | Brown | Light green |
2 | Water | Brown | Brown | Light green |
3 | Methanol | Brown | Brown | Light green |
4 | Ethanol | Brown | Brown | Light green |
5 | Ethyl acetate | Brown | Green | Light green |
6 | Petroleum ether | Brown | Light green | Light green |
7 | CHCl3 | Brown | Green | Green |
8 | 10%NaOH | Dark brown | Brownish green | Brownish green |
9 | 10%KOH | Dark brown | Brownish green | Brownish green |
10 | HCl (4N) | Brown | Brown | Light green |
11 | H2SO4 (4N) | Brown | Brown | Light green |
12 | HNO3 (4N) | Dark brown | Green | Green |
13 | Acetic acid (4N) | Brown | Brown | Light green |