松花江沿岸井水中微量元素含量及调查分析

Analysis of microelement content in the well water along Song-hua-jiang river

目的:了解松花江沿岸井水中微量元素含量,并依国家卫生标准进行评价,为早期发现水污染提供科学依据。方法:沿黑龙江省境内的松花江流域选择采样点十三个,共458份水样,用原子吸收分光光度计检测微量元素的含量。结果:松花江流域井水中锌含量普遍偏低,所采集的458户水样中锌含量超出国家制定的饮用水卫生标准的仅有2份,有267份样品未检出锌,未检出率约为58.08%。井水中锰元素含量超过国家饮用水卫生标准规定量的现象较严重,采集的458份井水样品中,有158份样品锰超标,超标率为34.06%。松花江流域井水中镉含量均未超过国家制定的饮用水卫生标准。结论:松花江流域井水中锌含量偏低,锰含量超标严重,有害元素镉含量未超过国家标准。

Objective：To analyze microelement content in the well water along Song-hua-jiang river.Methods： The 458 water samples were collected from 13 sampling points in Songhuajiang river basin,the content of microelements was measured by the atomic absorption spectrophotometer.Results： The zinc content of well water was low.There were only 2 samples beyond state hygienic standard,while 267 samples（58.08%） were not undetected.The manganese content of well water was high.There were 158 samples beyond state hygienic standard,the over-limit rate was 34.06%.The cadmium content of well water was below state hygienic standard.Conclusion： The zinc content of well water along Song-hua-jiang river are low.The manganese content of well water are beyond state hygienic standard.The cadmium content of water well are below state hygienic standard.