叔丁基对羟基茴香醚和诺氟沙星对水生生物的影响

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Abstract

The toxic effects of Butylated hydroxyanisole (BHA) and Norfloxacin (NFLX) to Scenedesmus obliquus and Daphnia magna was studied through acute toxicity test index. The results showed that BHA and NFLX remarkably restrained the mobilization of D. magna,even causing them death in the given concentration. LC₅₀ value of BHA and NFLX for D. magna at 48h were 3.15mg L^-1 and 194.98mg L^-1,respectively. BHA and NFLX also had the toxicity effect on S. obliquus and 96h EC₅₀ value were 6.19mg L^-1 and 50.18mg L^-1,respectively. Based on the EC₅₀ and LC₅₀ values,BHA and NFLX belonged to mid-toxic and low-toxic to Aquatic Organisms. Compared with D. magna,S. obliquus showed more sensitive to NFLX. While D. magna showed more sensitive than S.obliquu to BHA.

Key words： Acute toxicity test Butylated hydroxyanisole Norfloxacin Aquatic Organisms

Received: 25 February 2007

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	Articles by authors
	LU Jing-yan
	LI Xiao
	YANG Yong-tao
	NIE Xiang-ping

Cite this article:

LU Jing-yan,LI Xiao,YANG Yong-tao, et al. Toxic effects of nutylated hydroxyanisole and norfloxacin on aquatic organisms[J]. , 2007, 26(1): 55-58.

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http://www.ecolsci.com/EN/ OR http://www.ecolsci.com/EN/Y2007/V26/I1/55

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