Journal of Radioanalytical and Nuclear Chemistry
Volume/Issue:
Volume 287: Issue 3
Study on essential and toxic elements intake from drinking of Chinese tea
Authors:
Hai-Qing Zhang China Institute of Atomic Energy, P.O. Box 275-50, Beijing, 102413 China

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Bang-Fa Ni China Institute of Atomic Energy, P.O. Box 275-50, Beijing, 102413 China

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Wei-Zhi Tian China Institute of Atomic Energy, P.O. Box 275-50, Beijing, 102413 China

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Gui-Ying Zhang China Institute of Atomic Energy, P.O. Box 275-50, Beijing, 102413 China

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Dong-Hui Huang China Institute of Atomic Energy, P.O. Box 275-50, Beijing, 102413 China

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Cun-Xiong Liu China Institute of Atomic Energy, P.O. Box 275-50, Beijing, 102413 China

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Cai-Jin Xiao China Institute of Atomic Energy, P.O. Box 275-50, Beijing, 102413 China

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Hong-Chao Sun China Institute of Atomic Energy, P.O. Box 275-50, Beijing, 102413 China

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Chang-Jun Zhao China Institute of Atomic Energy, P.O. Box 275-50, Beijing, 102413 China

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Pages:
887–892
Online Publication Date:
23 Dec 2010
Publication Date:
01 Mar 2011
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10967-010-0921-x
Keywords:
Trace elements; Neutron activation analysis (NAA); Concentration; Transference ratio
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Abstract  

Twenty different brands of Chinese tea were analyzed for multiple trace elements, including some essential and toxic elements, by neutron activation analysis (NAA). A comparison among tea brands from China, India, US and other countries was made for the ranges and averages of concentrations for Na, K, Mn, Cu, and Br. It has been observed that the trace element contents in tea leaves are largely dependent upon the soil and the environment where the tea grows. Chinese tea is rich in Mn and Cu comparing with those of other counties surveyed, but is indigent in Na. The transference ratio for each element determined (i.e., the fraction of an element in tea leave transferred into solution when tea is leached by percolation) is also reported. Adult daily intakes of some essential and toxic elements from tea drinking were also estimated.

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Cover Journal of Radioanalytical and Nuclear Chemistry
Journal of Radioanalytical and Nuclear Chemistry
Print ISSN:
0236-5731
Online ISSN:
1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation		 1968
Volumes
per Year		 1
Issues
per Year		 12
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)

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