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镉是一种于人体有害的微量元素,本文利用微分电位溶出法,对环境水样和发样中的微量镉进行了测定,可检出0.05ng/mlCd~(2+),样品回收率在95—100%之间。
Cadmium is a harmful trace element in the human body. In this paper, the determination of trace cadmium in environmental water samples and hair samples by differential potentiometric stripping method can detect 0.05ng / mlCd ~ (2+), the recovery rate Between 95-100%.