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yang ji rong chu fu an fa ce ding nai fen zhong hen liang zuo
Author(s): 
Pages: 39-44
Year: Issue:  1
Journal: Acta Scientiarum Naturalium Universitatis Neimongol

Keyword:  阳极溶出伏安法富集电位测定结果食品卫生奶粉测量灵敏度测定下限汞膜电极痕量镉样品;
Abstract: <正> 根据食品卫生管理要求,本文对奶粉中痕量镉的阳极溶出伏安法测定进行了探讨。阳极溶出伏安法具有灵敏度高、快速、操作及装置简单等优点,且在测定高纯铝、铁、饮水、土壤、肉类、矿石等样品中微量镉已有应用。我们对样品分解、干扰、富集电位、扫描速度、电极处理等进行了研究,大大提高了测量灵敏度,测定下限达0.005ppb.用于实际样品的测定获得满意的结果。
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