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Survey of Trace Element in the Tea with Atomic Absorption Spectrophotometry

Zhihua Tang

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Abstract

With the atomic absorption spectrophotometry,content of trace element(Cu,Zn,Cd,Pb,Se) of the four kinds of tea from Xixiang district,Ziyang district and Zhenba district,in South of Shaanxi in China was deter mined.The results show that the content of trace element Cu、Zn is quite rich in four kinds of tea;On the contrast,the harzness element contents of Cd and Pb is very less;And Se is not conveied.So it is necessary to study its development and using valuecontinuly.

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What this paper is about

With the atomic absorption spectrophotometry,content of trace element(Cu,Zn,Cd,Pb,Se) of the four kinds of tea from Xixiang district,Ziyang district and Zhenba district,in South of Shaanxi in China was deter mined.The results show that the content of trace element Cu、Zn is quite rich in four kinds of tea;On the contrast,the harzness element contents of Cd and Pb is very less;And Se is not conveied.So it is necessary to study its development and using valuecontinuly.

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Available abstract

With the atomic absorption spectrophotometry,content of trace element(Cu,Zn,Cd,Pb,Se) of the four kinds of tea from Xixiang district,Ziyang district and Zhenba district,in South of Shaanxi in China was deter mined.The results show that the content of trace element Cu、Zn is quite rich in four kinds of tea;On the contrast,the harzness element contents of Cd and Pb is very less;And Se is not conveied.So it is necessary to study its development and using valuecontinuly.

Key concepts: Trace element, Atomic absorption spectroscopy, TRACE (psycholinguistics), Chemistry, Environmental chemistry, Spectrophotometry, Absorption (acoustics), Materials science

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