Determination of Trace Germanium in Copper, Lead and Zinc Ores by Hydride Generation-Atomic Fluorescence Spectrometry

DONG Ya-ni; TIAN Ping; XIONG Ying; HU Jian-ping; MOU Nai-cang; LUO Bing-hong

Rock and Mineral Analysis > 2010 > 29(4): 395-398.

DONG Ya-ni, TIAN Ping, XIONG Ying, HU Jian-ping, MOU Nai-cang, LUO Bing-hong. Determination of Trace Germanium in Copper, Lead and Zinc Ores by Hydride Generation-Atomic Fluorescence Spectrometry[J]. Rock and Mineral Analysis, 2010, 29(4): 395-398.

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Determination of Trace Germanium in Copper, Lead and Zinc Ores by Hydride Generation-Atomic Fluorescence Spectrometry

1.
Shaanxi Experimental Institute of Geology and Mineral Resources, Xi'an 710054, China
2.
Shaanxi Experimental Institute of Geology and Mineral Resources, Xi'an 710054, China
3.
Shaanxi Experimental Institute of Geology and Mineral Resources, Xi'an 710054, China
4.
Shaanxi Experimental Institute of Geology and Mineral Resources, Xi'an 710054, China
5.
Shaanxi Experimental Institute of Geology and Mineral Resources, Xi'an 710054, China
6.
Shaanxi Experimental Institute of Geology and Mineral Resources, Xi'an 710054, China

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Received Date: April 27, 2010
Revised Date: June 09, 2010

Abstract

ABSTRACT

A method for the determination of trace germanium in copper, lead and zinc ores by hydride generation-atomic fluorescence spectrometry (HG-AFS) was developed. Samples were digested with mixed acid of HCl-HNO₃-H₂SO₄ and extracted with hot phosphoric acid. Trace Ge in the sample solution was then determined by HG-AFS. The determination condition was optimized through the experiments and the tolerance of the interference elements on the determination was also tested. The detection limit of the method for Ge was 20.64 ng/g with the detection range of 0.20~100 μg/g. The reliability of the method was tested by determination of trace Ge in National Standard Reference copper, lead and zinc ore samples with satisfactory results.
- copper,
- ore,
- lead,
- ore,
- zinc

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