安顺市27种当地种植蔬菜中铅含量分析

发布时间：2018-04-22 03:16

本文选题：铅含量 + 污染　；参考：《环境与职业医学》2015年10期

【摘要】：[目的]通过对安顺市部分种植蔬菜中铅(Pb)含量的检测,了解当地种植蔬菜中Pb的污染状况。[方法]采集该市城郊区域叶类、芸薹类、鳞茎类、瓜茄类、块根茎、豆类27个蔬菜品种共417份种植蔬菜样本,同时采集当地灌溉水及土壤样本;分别采用石墨炉原子吸收分光光度法检测样本中Pb的含量。[结果]蔬菜中Pb平均含量为(0.122±0.062)mg/kg,以鳞茎类和叶类蔬菜超标率最高,分别为6.10%和4.70%,其余种类蔬菜超标率均较低;超标蔬菜主要集中在城郊公路沿线附近;27个蔬菜品种中Pb污染等级菠菜、韭菜、芹菜、大蒜苗、茄子及红萝卜为轻度污染,其余均为优良。[结论]安顺市城郊区域种植蔬菜中部分品种存在轻度的Pb污染,公路附近种植蔬菜污染更明显。
[Abstract]:[objective] to find out the Pb pollution in vegetables planted in Anshun city by detecting the Pb content in some vegetables planted in Anshun city. [methods] A total of 417 samples of cultivated vegetables, including leaf, brassica, bulb, melon and eggplant, rhizome, legume and 27 vegetable varieties, were collected, and the local irrigation water and soil samples were collected at the same time. The content of Pb in samples was determined by graphite furnace atomic absorption spectrophotometry. [results] the average content of Pb in vegetables was 0.122 卤0.062 mg / kg, and the blisters and leaves were the highest, which were 6.10% and 4.70%, respectively. In 27 vegetable varieties, Pb pollution grade spinach, leek, celery, garlic seedling, eggplant and carrot were slightly polluted, and the others were excellent. [conclusion] there is slight Pb pollution in some vegetables planted in the suburbs of Anshun city, especially in the vicinity of highway.
【作者单位】：安顺市疾病预防控制中心;
【基金】：安顺市级科技项目[编号:安市科合(8)号]
【分类号】：X56;R155.54

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