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基隆港捕獲魚具類之重金屬含量

Heavy Metal Contents of Fishes Caught in Keelung Harbor

摘要


爲知基隆港內重金屬污染程度,乃自港內採取魚類五種,計鎧鰺、拉疆鰺、黑星笛鯛、四線鷄魚及臭都魚;蝦一種,蟹類三種及牡蠣,作爲分析對象。經實驗結果,其重金屬含量並不甚高,一般說來,內臟含量較肌肉爲多。但自海埔地採取之牡蠣,含銅量高達426ppm,含鋅量爲1452ppm(濕重),實值得注意。

關鍵字

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並列摘要


Five species of fish, three species of crab, one species of shrimp caught in Keelung harbor, and nature oysters collected from the reclaimed land near the harbor were analyzed for arsenic, cadmium, copper, lead, mercury, nickle and zinc. The results show that all the fishes, crabs and shrimp contain heavy metals at ordinary level, and the viscera has a higher concentration than the muscle. It was found, however, that the oyster has been heavily contaminated by copper and zinc, and the concentrations are 426 and 1452 ppm (wet weight), respectively.

並列關鍵字

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