|
|
Toxicity of [C8mim]PF6 to aquatic organisms. |
|
|
Abstract Three standard test methods for evaluating the toxicity of chemicals to aquatic organisms were applied to assess the toxic effects of 1-octyl-3-methylimidazolium PF6([C8mim]PF6)on the three aquatic organisms: Chlorella vulgaris, Daphnia magna and zebra fish. Growth and chlorophyll a content of C. vulgaris were inhibited in the experimental content of [C8mim]PF6, the inhibiting effect increased significantly with increasing concentrations, and the toxic effects on chlorophyll a content were stronger than that of growth. The C. vulgaris cell even would be lethal in the higher concentration group (200mg/L). The toxic effects of [C8mim] PF6 was high-toxic to Daphnia magna, while was low-toxic to zebra fish, and the 48h LC50 and 96h LC50 was 4.47mg/L and 126.08mg/L, respectively. EC50/LC50 changed regularly with the test time. Maybe the two main reasons leading to the potential threat to the aquatic organisms were the affinity of [C8mim]PF6 with algae and lipophilic property itself.
|
Received: 25 March 2009
|
|
|
|
[1] |
ZHANG Li, ZHANG Yuan, QI Shi-Hua, LI Hui, XING Xin-Li, ZHANG Ze-Zhou, ZHENG Huang, SUN Yan, MIN Yang. Characteristics of atmospheric PM2.5 and the variation of PAHs in PM2.5 during spring in Hongshan district, Wuhan[J]. CHINA ENVIRONMENTAL SCIENCECE, 2015, 35(8): 2319-2325. |
|
|
|
|