Evaluation of Heavy Metals Contamination on Representative Fruits in Nanning

• 作者: Deng Minjun Luo Yan
• 来源期刊: 气象与环境研究：英文版
• 学科: 地球科学
• 关键词: 重金属污染 无公害水果 南宁市 评价 综合污染指数 累积能力 重金属含量 污染状况
• 年，卷（期）: 2014,（5）
• 页码范围: 22-23
• 页数: 2页
• 分类号: X53

摘要

[Objective]The research aimed to analyze the contents of heavy metals in the typical fruits of Nanning and evaluate the pollution status of heavy metals in fruits of Nanning. [Method]Five kinds of typical fruits( litchi,longan,dragon fruit,mangosteen and pineapple) in Nanning were collected to measure contents of heavy metals including Cd,Pb,As and Hg. According to standard of pollution-free fruits( GB18406. 2- 2001),pollution evaluation was conducted,and cumulative degrees of different fruits on a variety of heavy metals were contrasted. [Result] The heavy metal contents of all fruits were qualified. Comprehensive pollution index of dragon fruit was the maximum,and its cumulative capability on various heavy metals was the strongest. [Conclusion]The pollution degrees of all fruits were safety in Nanning,and pollution level was clean.