Study on Simultaneous Determination of Phosphorus,Potassium,Lead,Zinc etc. Altogether 17 Elements in Tea

Abstract

Abstract: A method simultaneously determining of Phosphorus,Potassium,Lead,Zinc etc. altogether 17 elements in tea by ICP-OES was developed. This paper study the method of dealing with the tea sample and determination conditions by ICP-OES. Influence such as elements interference were discussed. The rate of the recoveries of 17 elements is from 81.6% to 107. 2%, with relative standard deviation (RSD) is from0.23% to 8.92%. Analytical results of standard reference material (tea) obtained by the means of this method are in good agreement with the reference values. The method is satisfactory for tea.

Key words: method of dealing tea sample, ICP-OES, tea, Phosphorus,Potassium,Lead,Zinc etc. altogether 17 elements

SHI Yuan-Zhi, MA Li-Feng, HAN Wen-Yan, RUAN Jian-Yun. Study on Simultaneous Determination of Phosphorus,Potassium,Lead,Zinc etc. Altogether 17 Elements in Tea[J]. FOOD SCIENCE, 2006, 27(1): 193-196.

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Study on Simultaneous Determination of Phosphorus,Potassium,Lead,Zinc etc. Altogether 17 Elements in Tea

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