昆明市东川区汤丹和落雪两镇蔬菜中铜、镉含量分析

Analysis of Copper and Cadmium Amount in the Vegetables in Tangdan and Luoxue

目的:了解昆明市东川区汤丹、落雪两镇蔬菜中铜、镉含量及污染情况。方法:随机抽取当地种植的部分蔬菜,采用国家标准方法测定其铜、镉含量。结果:昆明市东川区汤丹、落雪两镇蔬菜中铜、镉含量超标的分别占47.62%、100%,21种蔬菜中铜、镉的平均含量是12.203mg/kg、0.135mg/kg。结论:两镇蔬菜中铜、镉污染较严重,应采取相应防治措施。

Objective： To study the cadmium and copper amount in the vegetables and the pollution caused by them in Dongchuan. Methods： Randomly selecting samples from local vegetables and using national standard methods to determine the amount in the samples. Results： The content of cadmium and copper exceeds the national standards, accounting for 47.62% and 100%; the average amount of cadmium and copper in the 21 vegetables are 12.203mg/kg and 0.135mg/kg. Conclusion： The cadmium and copper pollution is very serious in the vegetables in the two towns; so we must take necessary measures in order to reduce the pollution .