American Journal of Analytical Chemistry

Volume 10, Issue 4 (April 2019)

ISSN Print: 2156-8251   ISSN Online: 2156-8278

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Analysis of Wholesome Elements and Heavy Metals in Red Soybean by Inductively Coupled Plasma Mass Spectrometry

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DOI: 10.4236/ajac.2019.104012    360 Downloads   843 Views  

ABSTRACT

Objective: To study wholesome elements and heavy metals in red soybean of Heilongjiang Province. Methods: Samples preparation with hydrodigestion, and twenty-four elements quantitative analysis in red soybean by inductively coupled plasma mass spectrometry technique (ICP-MS) with indium, platinum, ruthenium as internal standard. Results: The red soybean contained many elements necessary to human health, the sequence of elements (higher than mg/kg) was K > Mg > Ca > Fe ≈ Zn > Na > Mn > Ti > Cu > Sr ≈ Ni > Ba > Mo. Besides the trace elements, the contents of heavy metals were very low than National standard. With reference standard substance and added standard recovery for the quality control of analytical method, the results were credibility, recovery 85% - 114%, the detect limit 0.2 - 20 ng/g, linearity range 0 - 200 μg/g (r > 0.999), RSD (n = 6) < 9%. Conclusion: The established method could be applied to the element quantitative analysis in food, simple and high sensitivity.

Cite this paper

Li, H. , Lei, X. , Li, H. , Hu, Y. and Wen, R. (2019) Analysis of Wholesome Elements and Heavy Metals in Red Soybean by Inductively Coupled Plasma Mass Spectrometry. American Journal of Analytical Chemistry, 10, 137-142. doi: 10.4236/ajac.2019.104012.

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