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Analysis of Trace 14 Rare Erath Elements in Cerium Oxide by ICP-AES

Zheng Jian-ming

Abstract

A new method for the analysis of trace 14 rare earth elements in cerium oxide(99.99%) by inductively coupled plasma-atomic emission spectrometry(ICP-AES) was established.The spectra interferences were investigated in detail,then the proper analysis lines were selected.Simultaneously,matrix matching effect was analyzed by determining samples,and the detection limits range from 0.013 to 0.317 μg/mL depending on the elements.This method was simple,fast and exact,which had the reference value on analyzing practical samples.

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Key concepts: Cerium, Inductively coupled plasma atomic emission spectroscopy, Cerium oxide, Rare earth, Analytical Chemistry (journal), Oxide, Matrix (chemical analysis), TRACE (psycholinguistics)