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Determination of 21 Major,Minor and Trace Elements in Coal and Coal Ash Samples by Inductively Coupled Plasma-Optical Emission Spectrometry

Wei Zhao

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Abstract

A method for the determination of 21 major,minor and trace elements in coal and coal ash samples by inductively coupled plasma-optical emission spectrometry(ICP-OES) was reported in this paper.The sample was digested with mixed acid of HCl-HNO3-HF-HClO4 and 21 elements in HCl medium were simultaneously determined by ICP-OES.The leaving peak background correction and interference coefficient methods were used for eliminating the interference.The detection limits for the elements were 0.03～5.6 μg/g.The method has been applied to the determination of 21 elements in National Standard Reference Materials and the results are in agreement with certified values with precision of 0.5%～3.6%RSD(n=11).

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What this paper is about

A method for the determination of 21 major,minor and trace elements in coal and coal ash samples by inductively coupled plasma-optical emission spectrometry(ICP-OES) was reported in this paper.The sample was digested with mixed acid of HCl-HNO3-HF-HClO4 and 21 elements in HCl medium were simultaneously determined by ICP-OES.The leaving peak background correction and interference coefficient methods were used for eliminating the interference.The detection limits for the elements were 0.03～5.6 μg/g.The method has been applied to the determination of 21 elements in National Standard Reference Materials and the results are in agreement with certified values with precision of 0.5%～3.6%RSD(n=11).

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Available abstract

A method for the determination of 21 major,minor and trace elements in coal and coal ash samples by inductively coupled plasma-optical emission spectrometry(ICP-OES) was reported in this paper.The sample was digested with mixed acid of HCl-HNO3-HF-HClO4 and 21 elements in HCl medium were simultaneously determined by ICP-OES.The leaving peak background correction and interference coefficient methods were used for eliminating the interference.The detection limits for the elements were 0.03～5.6 μg/g.The method has been applied to the determination of 21 elements in National Standard Reference Materials and the results are in agreement with certified values with precision of 0.5%～3.6%RSD(n=11).

Key concepts: Inductively coupled plasma, Inductively coupled plasma mass spectrometry, Chemistry, Certified reference materials, Analytical Chemistry (journal), Coal, Mass spectrometry, Inductively coupled plasma atomic emission spectroscopy

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Determination of 21 Major,Minor and Trace Elements in Coal and Coal Ash Samples by Inductively Coupled Plasma-Optical Emission Spectrometry — Research Paper | ScholarLens