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Determination of 14 Rare Earth Impurities in High purity Yttrium Oxide by ICP AES

Xian Liu

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Abstract

A method for the determination of 14 rare earth elements (REEs) in high purity yttrium oxide by ICP AES has been developed. The operation condition of the instrument was optimized and the matrix effect was studied. Under the optimized working condition, the detection limits for 14 REEs are (0.06～ 1.10) μg/g. Recoveries for rare earth impurities are 93%～114% with precision of 0.98%～9.3% RSD( n ≥10). The method has been successfully applied to the determination of 14 rare earth impurities in high purity yttrium oxide samples with satisfactory results.

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What this paper is about

A method for the determination of 14 rare earth elements (REEs) in high purity yttrium oxide by ICP AES has been developed. The operation condition of the instrument was optimized and the matrix effect was studied. Under the optimized working condition, the detection limits for 14 REEs are (0.06～ 1.10) μg/g. Recoveries for rare earth impurities are 93%～114% with precision of 0.98%～9.3% RSD( n ≥10). The method has been successfully applied to the determination of 14 rare earth impurities in high purity yttrium oxide samples with satisfactory results.

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Available abstract

A method for the determination of 14 rare earth elements (REEs) in high purity yttrium oxide by ICP AES has been developed. The operation condition of the instrument was optimized and the matrix effect was studied. Under the optimized working condition, the detection limits for 14 REEs are (0.06～ 1.10) μg/g. Recoveries for rare earth impurities are 93%～114% with precision of 0.98%～9.3% RSD( n ≥10). The method has been successfully applied to the determination of 14 rare earth impurities in high purity yttrium oxide samples with satisfactory results.

Key concepts: Yttrium, Impurity, Rare earth, Oxide, Matrix (chemical analysis), Chemistry, Materials science, Analytical Chemistry (journal)

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