NDLI: The acute toxicity study of pentachlorophenol to Daphnia magna in different aquatic quality conditions

Content Provider	IEEE Xplore Digital Library
Author	Bing Li Lei Qian Liu
Copyright Year	2011
Description	Author affiliation: Institute of Environmental Pollution and Health, College of Environmental and Chemical Engineering, Shanghai University, 200444, China (Bing Li Lei; Qian Liu)
Abstract	Water quality criteria and standard are derived mainly from acute toxicity data of chemicals, and acute toxicity data of chemicals are generally obtained from laboratory experiment. The nature water and experiment dilution water are different. The suspended articulate, humic acid and other factors in nature waters can change the concentrations of chemicals. In this paper, acute toxicity differences of pentachlorophenol (PCP) to Daphnia magna were studied in four aquatic quality conditions. Meanwhile, the influences of suspended particulate and humic acid were analyzed. The results showed that the 24 h LC50s of PCP to Daphnia magna were 1861 µg/L, 1369 µg/L, 565.2 µg/L and 495.3 µg/L in four aquatic conditions including the nature water, the filered nature water, experiment dilution water with 10mgC/L of humic acid and experiment dilution water, respectively. It indicated that the humic acid and suspended particulates in water could decrease the toxicity of PCP to Daphnia magna. Water effect ratio of PCP was 3.8 calculated from the equation.
Starting Page	6429
Ending Page	6431
File Size	270248
Page Count	3
File Format	PDF
ISBN	9781424491728
e-ISBN	9781424491711
DOI	10.1109/RSETE.2011.5965829
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Suspended particulate Biological system modeling Laboratories Chemical engineering Materials Water pollution Pentachlorophenol Chemicals Humic acid Daphnia magna Acute toxicity
Content Type	Text
Resource Type	Article

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