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本文通过锌、铜、铅、镉４种金属离子对海湾扇贝稚贝的急性毒性试验，分别得出了４种金属离子对海湾扇贝稚贝的１８ｈ半致死浓度及安全浓度。依次是：１．４４１３，０．０７６６，１．７９９９，１．３９４８ｍｇ／Ｌ和０．２３１３，０．００５５，０．２２７４，０．０５８７ｍｇ／Ｌ。
In this paper, the acute toxicities of four kinds of metal ions of zinc, copper, lead and cadmium to juvenile Scallop juveniles were studied. The semi-lethal concentration and safe concentration of 18 kinds of metal ions for juvenile Scallop juveniles were obtained respectively. Followed by 1.4413,0.0766,1.7999,1.3948mg / L and 0.2313,0.0055,0.2274,0.0587mg / L.