2011•Nonferrous Metals Science and EngineeringRequires access

Determination of rare earth impurities in Gd-Fe alloy by ICP-AES

Lai Jian

Abstract

This paper studies the determination of 14 rare earth impurities in Gd-Fe alloy by ICP-AES.The wavelength of determined elements,the standard series configuration and sample concentration were selected.Matrix matching method was applied to eliminate spectral interference of Gd-Fe alloy.The recoveries of standard addition can reach 97 %～108 %.The RSD of the trace elements is less than 3 %.

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Key concepts: Impurity, Alloy, Rare earth, Materials science, Analytical Chemistry (journal), Matrix (chemical analysis), Inductively coupled plasma atomic emission spectroscopy, TRACE (psycholinguistics)