目的通过对云南省兰坪县某矿区周边30份水源中铜、铅、锌、镉含量进行检测,了解该矿区水源重金属污染情况。方法采用石墨炉原子吸收分光光度法对样品进行分析。结果 30份样品中Cd和Pb污染率较高,分别达86.7%和60.0%,其中河水中Cd和Pb污染率为88.9%和66.7%。结论该矿区水体中Cd和Pb的污染较为突出,应引起相关部门重视。 Objective To detect the contents of copper, lead, zinc and cadmium in 30 water sources around a mining area in Lanping County, Yunnan Province, so as to understand the heavy metal pollution of water sources in this mining area. Methods The samples were analyzed by graphite furnace atomic absorption spectrometry. Results The Cd and Pb contamination rates of 30 samples were 86.7% and 60.0% respectively, of which Cd and Pb were 88.9% and 66.7%, respectively. Conclusion The pollution of Cd and Pb in the water of the mining area is more prominent, which should be taken seriously by relevant departments.