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Simultaneous Analysis of 6 Trace Elements in Pomegranate (Punica granatum l.) Juice by ICP-MS after Microwave-Assisted Digestion
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Simultaneous Analysis of 6 Trace Elements in Pomegranate (Punica granatum l.) Juice by ICP-MS after Microwave-Assisted Digestion

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Abstract:

The concentrations of essential trace elements such as Mn, Cu, Zn, Fe, Li and Se were determined in pomegranate juice at distinct maturity stages by ICP-MS following microwave-assisted acid digestion. The digestion efficiency was evaluated on the basis of the determination of residual carbon content and residual acidity. 4 mL of 16 mol/L HNO3 + 2 mL of 30% m/m H2O2 solutions were used for the efficient digestion of 3.0 mL pomegranate juice, with a considerable reduction in the residual acidity when compared with a procedure that employed different Digestion procedures. The good agreement between the observed and certified concentrations of the National Tea Standard (China, GBW10016) and the Apple Standard (China, GBW10019) indicate that the developed analytical method was well suited to determine the trace elements contents in similar matrices.

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Periodical:

Advanced Materials Research (Volumes 998-999)

Pages:

307-311

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.998-999.307

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Online since:

July 2014

Authors:

Li Ping Sun, Yan Lei Yin*, Chao Wang, Lei Wang

Keywords:

ICP-MS, Microwave Digestion, Pomegranate Juice, Trace Elements

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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