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Determination of Indium in Geochemical Samples by Non-flame Atomic Absorption Spectroscopy with P_(350) Extraction Chromatography

Feng Jing

Abstract

Indium in geochemical samples can be determined by no n -flame atomic absorption spectroscopy with P 350 extraction to remove inte rference elements. The detection limit of the method is 0.022×10 -6. The a nalytical precision for the samples with w(In)=0.064 μg/g and w(In)=4 .1 μg/g were 6.4% and 12.2% (RSD, n=11). The method has been verified b y determination of indium in standard reference samples.

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Key concepts: Indium, Atomic absorption spectroscopy, Detection limit, Extraction (chemistry), Analytical Chemistry (journal), Chemistry, Spectroscopy, Atomic spectroscopy