Microwave assisted digestion coupled with inductively coupled plasma optical emission spectrometry for determining element concentrations in halophytes
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Abstract:
Introduction: This study was carried out to determine elements (Li, Na, K, Mg, Ca, Ba, B, Al, Si, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Se, Ag and P) in the Suaeda vermiculata (S. vermiculata) and Suaeda aegyptiaca (S. aegyptiaca) in three different regions of Southern Iran using inductively coupled plasma optical emission spectrometry (ICP-OES) after microwave-assisted acid digestion. Materials and methods: The present study was carried out the common halophytes, S. vermiculata and S. aegyptiaca in three different region of Dashti in Busher province, Iran, in early summer, 2013. S. vermiculata and S. aegyptiaca are native to the south, southern- east and Persian Gulf coastal and are recognized as Tahma and Kakol in Bushehr province. After drying at 95°C for 1 h to a constant weight, the samples were separated and weighed individually. The dried samples were homogenized and grounded using a mortar. Results: A new, simple and highly sensitive method was proposed for determination some elements in halophytes by ICP-OES. The limit of detection (LOD) was below 10 ngkg−1,and the relative standard deviations (RSD) were below 5%.The recoveries of all the elements were in the range of 88% to 108%, and the linear correlation coefficients (R) were 0.99. Conclusion: Advantages of this method were low limit of detection (LOD), the relative standard deviations (RSD), recoveries of all the vitamins were in the range of 88% - 108%, and the linear correlation coefficients (R) 0.99. Finally to the best of our knowledge there are no published research studies about determination of some element concentrations in halophytes and the proposed ICP-OES method has been successfully applied for determining element concentrations in halophytes.
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microwave assisted digestion coupled with inductively coupled plasma optical emission spectrometry for determining element concentrations in halophytes
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Journal title
volume 2 issue 1
pages 49- 56
publication date 2015-03
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