水質汚濁斃死魚の死因判定について-III : 魚体中のPCP確認法

概要

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The toxic effects of sodium pentachlorophenate (PCP, a herbicide) on aquatic organisms have been reported by many workers1, 2, 3, 4, 5). However there is apparently no published reports on the mechanism of toxicity of PCP in fish. When the fish was maintained in the water containing PCP it was found that the concentraction of PCP decreased remarkably. It is probably due to some removal by the fish. (Fig. 1) In this study, an attempt was made to detect PCP in the fish body. The extraction procedure from the fish body is summerized in the Table 1. PCP content was determined by the 4-aminoantipirine method6). PCP was found in fish killed by lethal doses of PCP. It was also possible to detect PCP even after washing with tap water for 24 hours after death. In untreated control animals PCP could not be detected. It was concluded that this method can be used for post-mortem identification of the pollutant in the fish killed by water pollution.
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