新乡市北站工厂污泥中重金属污染状况研究

目的]研究北站工厂污泥中的重金属污染状况。方法]采用HNO3-HF-HClO4消解土壤样品,用原子吸收光谱法对北站工厂污泥样品中重金属Cr、Zn、Cd、Ni、Cu的含量进行了分析测定。结果]与我国污泥农用标准相比,铬,镉,镍,铜4种重金属在3种污泥样品中的含量都没有超过允许的水平,但锌在黄泥中的含量严重超标,在白泥和黑泥均达到标准。结论]为预测和防治污泥重金属污染提供理论依据

Study on Pollution Situation of the Heavy Metal in Beizhan Factory Sluge of Xinxiang City

Objective] The study aimed to study pollution situation of the heavy metal in Beizhan factory sluge.Method] The soil samples were dispeled with HNO3-HF-HClO4 and heavy metal Cr,Zn,Cd,Ni and Cu content in Beizhan factory sludge sample were analied and determined with the atomic absorption spectrographic method.Result]The result showed that compared with our country sludge agricultural use's standard,the content of the chromium,the cadmium,the nickel,and the copper wdid not surpass the permission level in ...