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Application of laser-induced breakdown spectroscopy in analyzing microelements in three kinds of fruit samples

Ma Xin-Wen Zhu Xiao-Long Zu Kai-Ling Zhang Da-Cheng Li Bin

Application of laser-induced breakdown spectroscopy in analyzing microelements in three kinds of fruit samples

Ma Xin-Wen, Zhu Xiao-Long, Zu Kai-Ling, Zhang Da-Cheng, Li Bin
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  • Abstract views:  3607
  • PDF Downloads:  1557
  • Cited By: 0
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  • Received Date:  04 January 2008
  • Accepted Date:  08 April 2008
  • Published Online:  20 October 2008

Application of laser-induced breakdown spectroscopy in analyzing microelements in three kinds of fruit samples

  • 1. (1)中国科学院近代物理研究所,兰州 730000; (2)中国科学院近代物理研究所,兰州 730000;中国科学院研究生院,北京 100049

Abstract: It is a relatively new task to apply the laser-induced breakdown spectrosopy(LIBS) to plant samples. To apply LIBS technique in the field related to foodstuff safety, we have done primary experiments using three kinds of fruit samples prepared by vacuum freeze-dried technique using the technique of discriminated LIBS spectra. The relative contents of six trace elements Ca, Na, K, Fe, Al and Mg in the samples were analyzed. By comparison we found that in apple samples the relative content of Na is the highest and the relative content of Ca is the lowest, and the contents of K, Fe, Mn, Mg are different for different fruit samples. Experiment results showed that LIBS technique is a valid means for measuring and comparing the content of trace elements in plant samples.

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