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Inductively Coupled Plasma Atomic Emission Spectrometric Determination of Non-rare Earth Impurities in Dy-Fe Alloy

Jiang Cai-xia

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Abstract

Inductively coupled plasma atomic emission spectrometry(ICP-AES) was used to determine non rare earth impurities in Dy-Fe alloy.Matrix matching method and fluorination separation method were used to eliminate interference of Dy-Fe matrix.Determination range is 0.020～0.10% for Ai and Si,0.0050%～0.050% for Ca,Mg and Ni and 0.030%～0.20% for Mo and W.The relative standard deviation obtained by 11 repeated tests was 0.75%～4.95% and the determination recoveries was 97.5%～104%.This method could be used for the determination of non rare earth impurities in Dy-Fe alloy.

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What this paper is about

Inductively coupled plasma atomic emission spectrometry(ICP-AES) was used to determine non rare earth impurities in Dy-Fe alloy.Matrix matching method and fluorination separation method were used to eliminate interference of Dy-Fe matrix.Determination range is 0.020～0.10% for Ai and Si,0.0050%～0.050% for Ca,Mg and Ni and 0.030%～0.20% for Mo and W.The relative standard deviation obtained by 11 repeated tests was 0.75%～4.95% and the determination recoveries was 97.5%～104%.This method could be used for the determination of non rare earth impurities in Dy-Fe alloy.

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Available abstract

Inductively coupled plasma atomic emission spectrometry(ICP-AES) was used to determine non rare earth impurities in Dy-Fe alloy.Matrix matching method and fluorination separation method were used to eliminate interference of Dy-Fe matrix.Determination range is 0.020～0.10% for Ai and Si,0.0050%～0.050% for Ca,Mg and Ni and 0.030%～0.20% for Mo and W.The relative standard deviation obtained by 11 repeated tests was 0.75%～4.95% and the determination recoveries was 97.5%～104%.This method could be used for the determination of non rare earth impurities in Dy-Fe alloy.

Key concepts: Impurity, Inductively coupled plasma, Alloy, Rare earth, Analytical Chemistry (journal), Matrix (chemical analysis), Atomic emission spectroscopy, Inductively coupled plasma mass spectrometry

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Inductively Coupled Plasma Atomic Emission Spectrometric Determination of Non-rare Earth Impurities in Dy-Fe Alloy — Research Paper | ScholarLens