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2005•Journal of Analytical ScienceRequires access

Determination of Trace Impurities in High Purity Bismuth by Inductively Coupled Plasma Mass Spectrometry

Xinquan Zhang

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Abstract

A method for the trace impurities in high purity bismuth by inductively coupled plasma mass spectrometry (ICP-MS) was developed, while the matrix bismuth was separated. Using Sc,In and Eu as internal standard, the interference due to the effects of matrix could be corrected efficiently. The instrumental parameters and effects of matrix have been studied. Recoveries of standard addition were 89%～114%, the detection limit was 0.1～4.7 ng/mL and the RSD was 1.4%～5.0%. The method has been applied to the determination of trace impurities in bismuth samples with purity above 99.999%.

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What this paper is about

A method for the trace impurities in high purity bismuth by inductively coupled plasma mass spectrometry (ICP-MS) was developed, while the matrix bismuth was separated. Using Sc,In and Eu as internal standard, the interference due to the effects of matrix could be corrected efficiently. The instrumental parameters and effects of matrix have been studied. Recoveries of standard addition were 89%～114%, the detection limit was 0.1～4.7 ng/mL and the RSD was 1.4%～5.0%. The method has been applied to the determination of trace impurities in bismuth samples with purity above 99.999%.

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Available abstract

A method for the trace impurities in high purity bismuth by inductively coupled plasma mass spectrometry (ICP-MS) was developed, while the matrix bismuth was separated. Using Sc,In and Eu as internal standard, the interference due to the effects of matrix could be corrected efficiently. The instrumental parameters and effects of matrix have been studied. Recoveries of standard addition were 89%～114%, the detection limit was 0.1～4.7 ng/mL and the RSD was 1.4%～5.0%. The method has been applied to the determination of trace impurities in bismuth samples with purity above 99.999%.

Key concepts: Chemistry, Bismuth, Inductively coupled plasma mass spectrometry, Detection limit, Impurity, Mass spectrometry, Matrix (chemical analysis), Inductively coupled plasma

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