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《AGRO-ENVIRONMENTAL PROTECTION》 1998-03
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Fluoride in Tea Leaves and Its Analytical Method

 Liu Chao et al. (Department of environmental Science, Zhejiang Agricultural University, Hangzhou 310029]  
Fluoride in tea leaves was determined by fluorin ion selective electrode.An investigation was made into the relationships between the growing place, the tea grade, the growing season and the fluoride content in tea based on the analytical results. The research indicated that most of the fluoride in tea was soluble in water,which quantity depended on the water temperature.On the basis of aforesaid find, extraction of fluoride in tea with boiling water was proposed.
【CateGory Index】: S571.1
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