LC50(mg/L) | ||||||||
---|---|---|---|---|---|---|---|---|
Test | Cr6+ | Zn2+ | ||||||
24 h | 48 h | 72 h | 96 h | 24 h | 48 h | 72 h | 96 h | |
I | 13 | 11 | 8 | 7 | 2 | 2 | 2 | 2 |
II | 11 | 11 | 11 | 7 | 1.6 | 1.6 | 1.6 | 1.6 |
III | * | 27 | 20 | 11 | 1.6 | 1.6 | 1.6 | 1.6 |
IV | * | 29 | 18 | 15 | 1.6 | 1.6 | 1.6 | 1.6 |
V | 18 | 8 | 5 | 3 | 1.3 | 1.3 | 1.3 | 1.3 |
VI | 15 | 10 | 5 | 4 | 1.6 | 1.6 | 1.6 | 1.6 |
VII | 14 | 5 | 2 | 5 | 1.7 | 1.7 | 1.7 | 1.7 |
Mean | 14.2 | 14.4 | 9.8 | 7 | 1.6 | 1.6 | 1.6 | 1.6 |
SDa | 2.5 | 9.5 | 6.8 | 4.6 | 0.2 | 0.2 | 0.2 | 0.2 |
CV (%)b | 18 | 66 | 69 | 66 | 12 | 12 | 12 | 12 |