饮用水中重金属铅、镉的检测与风险评价

Detection and Risk Assessment of Heavy Metal Lead and Cadmium in Drinking Water

重金属会对人体的神经系统、呼吸系统、免疫系统等造成严重破坏,对人类的生命安全造成严重威胁,因此,加强饮用水等水资源的重金属含量检测具有重要意义。本文使用原子吸收法对水厂的水源水、出厂水以及饮用水进行了重金属铅、镉的含量检测。通过检测可以发现,该厂水源水、出厂水以及饮用水中铅的最高含量分别是0.67、1.06、0.34μg·L-1,镉的最高含量分别是0.153、0.059、0.084μg·L-1,均符合国家用水标准。

Heavy metals can cause serious damage to human nervous system,respiratory system,immune system and so on,and pose a serious threat to human life safety.Therefore,it is of great significance to strengthen the detection of heavy metal content in water resources such as drinking water.In this paper,the content of heavy metals lead and cadmium in water plant was determined by atomic absorption spectrometry.The highest content of lead in source water,factory water and drinking water is 0.67μg·L-1、1.06μg·L-1 and 0.34μg·L-1,and the highest content of cadmium is 0.153μg·L-1、0.059μg·L-1 and 0.084,respectively.