Determination of 46 elements in Osmanthus fragrans by microwave digestion with ICP-OES/ICP-MS

Authors

QIN Suni, Karst Dynamics Laboratory, Ministry of Land and Resources, Institute of Karst Geological Sciences, Guilin, Guangxi 541004, China
HUANG Junjie, Karst Dynamics Laboratory, Ministry of Land and Resources, Institute of Karst Geological Sciences, Guilin, Guangxi 541004, China
QUAN Xiqiang, Karst Dynamics Laboratory, Ministry of Land and Resources, Institute of Karst Geological Sciences, Guilin, Guangxi 541004, China
TAO Xin, Karst Dynamics Laboratory, Ministry of Land and Resources, Institute of Karst Geological Sciences, Guilin, Guangxi 541004, China
QIN Cuiyun, Karst Dynamics Laboratory, Ministry of Land and Resources, Institute of Karst Geological Sciences, Guilin, Guangxi 541004, China

Abstract

Objective To established a method to determine 46 elements in Osmanthus fragrans by inductively coupled plasma optical emission spectrometry (ICP-OES) and inductively coupled plasma-mass spectrometry (ICP-MS). Methods HNO₃-H₂O₂ was used to decompose Osmanthus fragrans with microwave digestion. ICP-OES was applied to determine the elements of Na, Mg, Al, P, S, K, Ca and Fe, the others (Ag, As, Ba, Cd, Co, Cr, Cs, Cu, Hg, Li, Mn, Mo, Ni, Pb, Rb, Se, Sn, Sr, Th, Ti, Tl, V, Zn and 15 kinds of rare earth elements) were determined by ICP-MS. Results Determination limits of ICP-OES were in the range of 0.68～18.10 μg/L while ICP-MS were in the range of 0.001～0.093 μg/L. The relative standard deviations (RSDs) were in the range of 0.84%～8.42%, and the recoveries of 46 trace elements were in the range of 87.2%～113.6%. The proposed method was applied in the analysis of reference material bush branch and leaf \[GBW07603 (GSV-2)\], giving results in consistency with the certified values. The analytical results showed that large amounts of elements were embodied in Osmanthus fragrans. There were 13 kinds of elements with their contents in Osmanthus fragrans more than 10 mg/kg, the contents of beneficial elements Na, Mg, P, S, K, Ca, Fe and Zn and harmful elements Al, Ni, Ba and Pb in Osmanthus fragrans were high. Conclusion This analysis method was simple, rapid, accurate and could be applied for simultaneous determination of elements in Osmanthus fragrans.

Publication Date

4-28-2017

First Page

66

Last Page

69,89

DOI

10.13652/j.issn.1003-5788.2017.04.013

Recommended Citation

Suni, QIN; Junjie, HUANG; Xiqiang, QUAN; Xin, TAO; and Cuiyun, QIN (2017) "Determination of 46 elements in Osmanthus fragrans by microwave digestion with ICP-OES/ICP-MS," Food and Machinery: Vol. 33: Iss. 4, Article 13.
DOI: 10.13652/j.issn.1003-5788.2017.04.013
Available at: https://www.ifoodmm.cn/journal/vol33/iss4/13

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