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From the first issue of 2016, Chromatography has changed its name to Separations.

Open AccessArticle
Chromatography 2014, 1(3), 96-107; doi:10.3390/chromatography1030096

Cu Purification Using an Extraction Resin for Determination of Isotope Ratios by Multicollector ICP-MS

The Pheasant Memorial Laboratory for Geochemistry and Cosmochemistry, Institute for Study of the Earth's Interior, Okayama University at Misasa, Misasa, Tottori-ken 682-0193, Japan
Received: 19 March 2014 / Revised: 16 June 2014 / Accepted: 17 June 2014 / Published: 25 June 2014
(This article belongs to the Special Issue Advances in Hyphenated Methods in Separation)
View Full-Text   |   Download PDF [257 KB, uploaded 25 June 2014]   |  

Abstract

A new simple and quick method has been established for separation of Cu from solutions using an extraction chromatographic resin utilizing Aliquat® 336 (commercially available as TEVA™ resin) and Cu(I). This method involves the use of a one milliliter column containing 0.33 mL TEVA™ resin on 0.67 mL Amberchrom® CG-71C acrylic resin. Copper was adsorbed on the column by forming Cu(I) with 0.15% ascorbic acid in 0.05 mol·L−1 HBr, while other major elements except Zn showed no adsorption. After removal of the major elements (Na, Mg, Al, P, K, Ca, Cr, Mn, Fe, Co and Ni), Cu was recovered using 2 mol·L−1 HNO3. The recovery yield and total blank were 102% ± 2% and 0.25 ng, respectively. To evaluate the separation method, Cu isotope ratios were determined by a standard-sample-standard bracketing method using multicollector inductively coupled plasma-mass spectrometry (ICP-MS), with a repeatability of 0.04‰ and 0.25‰ (SD), for the standard solution and the solutions from low S (<0.1% S) silicate standards, respectively. View Full-Text
Keywords: Cu separation; Cu(I); Cu isotope ratio; extraction resin; TEVA™ resin; multicollector inductively coupled plasma source mass spectrometry; MC-ICP-MS Cu separation; Cu(I); Cu isotope ratio; extraction resin; TEVA™ resin; multicollector inductively coupled plasma source mass spectrometry; MC-ICP-MS
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Makishima, A. Cu Purification Using an Extraction Resin for Determination of Isotope Ratios by Multicollector ICP-MS. Chromatography 2014, 1, 96-107.

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