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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/39142

Title: Aquatic toxicity testing for multi component compounds with special reference to preparation of test solution
Authors: Hiroshi Tadokoro;Masanobu Maeda;Yasuro Kawashima;Masaru Kitano;Deng-Fwu Hwang;Tamao Yoshida
Contributors: 國立臺灣海洋大學:食品科學系
Date: 1991-02
Issue Date: 2016-11-24T07:28:57Z
Publisher: Ecotoxicology and Environmental Safety
Abstract: Abstract: An adequate method of determining the toxicity of a compound consisting of multiple components, such as creosote, coal tar, and coal tar pitch, was studied for different test solution preparation methods, i.e., direct dosing without filtration, diluting the stock solution of saturated concentration, and dispersing with acetone. Killifish, Oryzias latipes, as a freshwater fish; red sea bream, Pagrus major, as a saltwater fish; and daphnia, Daphnia magna, as a representative crustacean, were used for testing. The chemical analysis of each preparation of test solution with gas chromatography revealed an entirely different profile of the components. The highest toxicity was obtained with preparation by acetone dispersion. That was followed by the preparations with direct dosing method and with the method of dilution of saturated concentration stock solution. Considering the results obtained, the direct dosing method with a suitable settling time may provide useful information enabling extrapolation of the test results to the natural environment for complex multicomponent compounds.
Relation: 21(1)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/39142
Appears in Collections:[食品科學系] 期刊論文

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