Speciation Analysis of Arsenic in Copper Electrolyte Baths Using Liquid-liquid Extraction and ICP-OES Method Detection

• Autorzy: Stefanov Eduard , Georgieva Stela

Identyfikatory

DOI

10.24425/amm.2022.137797

• Języki publikacji: EN

Abstrakty

EN

The present study describes a method for the determination of As (III) and As (V) in copper electrolytes. The method is based on the separation of As (III) from a copper electrolyte by triple liquid-liquid extraction using a non-polar organic solvent in a medium of 10-12 mol L^-1 HCl. The extract contains As (III) and the raffinate-As (V), respectively. As(III) specie can be re-extracted from the organic solvent through the water. Analyzes of the concentration of As in the re-extract and raffinate were performed by ICP-OES spectroscopic method. The average recovery of arsenic by the proposed method is about 99%. Repeatability was estimated with RSD (n = 6). Selectivity and accuracy were proven by the standard addition method. The relative error for restoring the standard addition of As (III) is about 0.3%. The speciation method analysis could be applied for determination of the arsenic species in the analytical quality control of refined copper in copper tanks in the production of copper cathodes.

Słowa kluczowe

EN

arsenic; speciation analysis; copper electrolyte; ICP-OES method; extraction

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2022
• Tom: Vol. 67, iss. 2
• Strony: 607--613
• Opis fizyczny: Bibliogr. 23 poz., fot., rys., tab., wzory

Twórcy

autor

Stefanov Eduard

• University of Chemical Technology and Metallurgy, Department of Analytic Chemistry, 8, St. Kliment Ohridski Blvd, 1756, Sofia, Sofia, Bulgaria

• https://orcid.org/0000-0002-1040-9331

autor

Georgieva Stela

• University of Chemical Technology and Metallurgy, Department of Analytic Chemistry, 8, St. Kliment Ohridski Blvd, 1756, Sofia, Sofia, Bulgaria

• https://orcid.org/0000-0001-8519-6214

Bibliografia

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Uwagi

1. Financial support from NIS-UCTM (12150, 2021), Sofia, Bulgaria is gratefully acknowledged.

2. Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).