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Journal of Environmental Toxicology 2010;25(3):223-228.
Pentachlorophenol Sodium Salt, Potassium Dichromate, Sodium Azide에 대한 새뱅이(Neocaridina denticulata)급성독성
이재우, 문예련, 윤준헌, 최경희, 한진석, 류지성
1국립환경과학원 위해성평가연구과
2국립환경과학원 위해성평가연구과
3국립환경과학원 위해성평가연구과
4국립환경과학원 위해성평가연구과
5국립환경과학원 위해성평가연구과
6국립환경과학원 위해성평가연구과
Acute Toxicity of Pentachlorophenol Sodium Salt, Potassium Dichromate, Sodium, Azide to Neocaridina denticulata
Jaewoo Lee , Ye Ryeon Moon , Junheon Yoon , Kyunghee Choi , Jin Seok Han , Jisung Ryu
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ABSTRACT
  Neocaridina denticulata is a small freshwater shrimp indigenous to Korea. As an indigenous species has long-adapted to particular water environments, the species can be a suitable indicator to assess environmental risks caused by hazard chemicals in the particular site. Thus Neocaridina denticulata, a small freshwater shrimp indigenous to Korea, is worth considering for a test species for such purpose.
  N. denticulata were exposed to pentachlorophenol sodium salt, sodium azide and potassium dichromate using automatic flow-through system for 96 hours. The 96 nr lethal concentrations (LC??) of these chemicals were calculated as 0.53±0.09 ㎎/ℓ, 2.40±0.61 ㎎/ℓ and 1.21±0.09 ㎎/ℓ respectively and showed relatively small deviation from repetitive test results. When compared with the toxicity values of other species for each chemical. N. denticulata had moderate or high sensitivity to the toxicity of these chemicals. It can be concluded that N. denticulata is a good test species to evaluate acute toxicity of various hazardous chemicals.
Keywords: Neocaridina denticulata; Freshwater shrimp; Acute toxicity
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