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2007•Journal of Analytical ScienceRequires access

Determination of Trace Arsenic in Cobalt Oxalate by Hydride Generation-Atomic Fluorescence Spectrometry

Yu‐Qi Feng

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Abstract

A method has been reported for the determination of As in cobalt oxalate by hydride generation atomic fluorescence spectrometry(HG-AFS).The effect of acidic media,Co matrix and other coexisting elements on As determination were studied.The detection limit was found to be 0.097 μg/L,and a relative standard deviation of 2.3%~7.9%(n=5) was obtained.The recoveries for the spiked sample were 94.0%~100.9%.

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What this paper is about

A method has been reported for the determination of As in cobalt oxalate by hydride generation atomic fluorescence spectrometry(HG-AFS).The effect of acidic media,Co matrix and other coexisting elements on As determination were studied.The detection limit was found to be 0.097 μg/L,and a relative standard deviation of 2.3%~7.9%(n=5) was obtained.The recoveries for the spiked sample were 94.0%~100.9%.

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Available abstract

A method has been reported for the determination of As in cobalt oxalate by hydride generation atomic fluorescence spectrometry(HG-AFS).The effect of acidic media,Co matrix and other coexisting elements on As determination were studied.The detection limit was found to be 0.097 μg/L,and a relative standard deviation of 2.3%~7.9%(n=5) was obtained.The recoveries for the spiked sample were 94.0%~100.9%.

Key concepts: Chemistry, Hydride, Detection limit, Cobalt, Oxalate, Arsenic, Fluorescence spectrometry, Mass spectrometry

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