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我国主要蔬菜和粮油作物的砷含量与砷富集能力比较
肖细元; 陈同斌; 廖晓勇; 阎秀兰; 谢华; 武斌; 王莉霞
2009
Source Publication环境科学学报
ISSN0253-2468
Volume000Issue:002Pages:291
Abstract根据国内外文献报道,对蔬菜和粮油作物中砷的累积特点和富集能力进行总结和分析.结果表明,清洁区和污染区蔬菜的砷含量变幅分别为0.001~1.07mg·kg-1和0.001~8.51mg·kg-1(鲜重),均值分别为0.035mg·kg-1和0.068mg·kg-1.不同种类蔬菜的砷含量由大到小依次为:叶菜类〉根茎类〉茄果类〉鲜豆类;清洁区和污染区粮油作物的砷含量变幅分别为0.001~2.20mg·kg-1和0.007~6.83mg·kg-1(干重),均值分别为0.081mg·kg-1和0.294mg·kg-1,其中水稻的砷含量显著高于小麦和玉米.从富集系数来看,叶菜类蔬菜的砷富集系数最高,芹菜、蕹菜、茼蒿、芥菜等蔬菜的抗砷污染能力较弱.粮食作物玉米的抗砷污染能力较强.与蔬菜砷限量标准(GB4810-1994)相比,我国砷污染区的蔬菜中有32.2%的样本砷含量超标,其中叶菜类和根茎类的超标率分别为47.9%和12.8%.与粮食砷限量标准(GB4810-1994)比较,我国污染区粮油作物的样本砷超标率为34.8%,其中水稻的超标率高达42.9%,玉米和小麦的超标率均高于20%.
Language英语
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/124559
Collection中国科学院地理科学与资源研究所
Affiliation中国科学院地理科学与资源研究所
First Author Affilication中国科学院地理科学与资源研究所
Recommended Citation
GB/T 7714
肖细元,陈同斌,廖晓勇,等. 我国主要蔬菜和粮油作物的砷含量与砷富集能力比较[J]. 环境科学学报,2009,000(002):291.
APA 肖细元.,陈同斌.,廖晓勇.,阎秀兰.,谢华.,...&王莉霞.(2009).我国主要蔬菜和粮油作物的砷含量与砷富集能力比较.环境科学学报,000(002),291.
MLA 肖细元,et al."我国主要蔬菜和粮油作物的砷含量与砷富集能力比较".环境科学学报 000.002(2009):291.
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