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| 几种黔产绿茶中重金属污染分析 | |
| 引用本文： | 余正文,杨占南,张来,张红霞,张松. 几种黔产绿茶中重金属污染分析[J]. 食品工业科技, 2011, 0(9): 425-426,460 |
| 作者姓名： | 余正文 杨占南 张来 张红霞 张松 |
| 作者单位： | 1. 贵州师范大学生命科学学院,贵州贵阳,550001 2. 贵州师范大学贵州省山地环境信息系统与生态环境保护重点实验室,贵州贵阳,550001 3. 安顺学院化学与生物农学系,贵州安顺,561000 |
| 基金项目： | 贵州省科技基金项目(黔科合J字[2009]2096号); 国家自然科学基金(31060056); 贵州省科技创新人才团队建设项目(黔科合人才团队[2009]4007号) |
| 摘 要： | 为研究都匀毛尖、湄潭翠芽、贵定雪芽、瀑布毛峰及梵净山翠峰茶中重金属污染状况,用原子吸收光谱法测定Pb,Cd,Cu含量,原子荧光光谱法测定Hg,As含量,并参照GB16740-1997、NY659-2003、WM/T2-2004及GB2762-2005对茶叶的重金属污染状况进行评价。结果表明：五种绿茶中重金属含量依次为Cu〉Pb〉As〉Cd〉Hg;不同品种及同一品种不同等级的黔产绿茶中重金属含量有差异,但均未超出国家及行业标准的限量值。 |
| 关 键 词： | 绿茶 重金属 含量 原子吸收光谱法 原子荧光光谱法 |
Analysis of pollution of heavy metal elements of several green tea in Guizhou |
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| YU Zheng-wen,YANG Zhan-nan,ZHANG Lai,,ZHANG Hong-xia,ZHANG Song. Analysis of pollution of heavy metal elements of several green tea in Guizhou[J]. Science and Technology of Food Industry, 2011, 0(9): 425-426,460 | |
| Authors: | YU Zheng-wen YANG Zhan-nan ZHANG Lai ZHANG Hong-xia ZHANG Song |
| Affiliation: | YU Zheng-wen1,YANG Zhan-nan2,ZHANG Lai3,*,ZHANG Hong-xia3,ZHANG Song2(1. School of Life Sciences,Guizhou Normal University,Guiyang 550001,China,2. Key Laboratory for Information System of mountainous Area and Protection of Ecological Environment of Guizhou Province,3. Department of Chemistry and Bio-agronomy,Anshun University,Anshun 561000,China) |
| Abstract: | To study on the pollution status of heavy metal elements of Duyun Maojian,Meitan Cuiya,Guiding Xueya,Pubu Maofeng and Fanjingshan Cuifeng Tea.The contents of lead,cadmium and copper were determined by atomic absorption spectrophotometry.The contents of mercury and arsenic were determined by atomic fluorescence spectrometry.The heavy metal pollution status of five kinds of green tea had been evaluated reference to the limits standard of GB16740-1997,NY659-2003,WM/T2-2004 and GB2762-2005.The results showed th... |
| Keywords: | green tea heavy metal content atomic absorption spectrophotometry atomic fluorescence spectrometry |
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