Inter-calibration of a proposed new primary reference standard AA-ETH Zn for zinc isotopic analysis

Type Article
Date 2017-02
Language English
Author(s) Archer Corey1, Andersen Morten B.1, 10, Cloquet Christophe2, Conway Tim M.1, Dong Shuofei2, Ellwood Michael3, Moore Rebekah4, Nelson Joey5, Rehkamper Mark4, Rouxel OlivierORCID6, 11, Samanta Moneesha3, Shin Ki-Cheol7, Sohrin Yoshiki8, Takano Shotaro8, Wasylenki Laura9
Affiliation(s) 1 : Swiss Fed Inst Technol, Inst Geochem & Petrol, Dept Earth Sci, Zurich, Switzerland.
2 : CRPG, UMR CNRS 7358, 15 Rue Notre Dame Pauvres, F-54500 Vandoeuvre Les Nancy, France.
3 : Australian Natl Univ, Res Sch Earth Sci, Canberra, ACT 2601, Australia.
4 : Imperial Coll London, Dept Earth Sci & Engn, London SW7 2AZ, England.
5 : Stanford Univ, Dept Geol Sci, Stanford, CA 94305 USA.
6 : IFREMER, Dept Phys Resources & Deep Sea Ecosyst, Ctr Brest, F-29280 Plouzane, France.
7 : Res Inst Humanity & Nat, Kita Ku, 457-4 Motoyama, Kyoto 6038047, Japan.
8 : Kyoto Univ, Inst Chem Res, Kyoto 6110011, Japan.
9 : Indiana Univ, Dept Geol Sci, Bloomington, IN 47405 USA.
10 : Cardiff Univ, Sch Earth & Ocean Sci, Pk Pl, Cardiff CF10 3AT, S Glam, Wales.
11 : Univ Hawaii, Dept Oceanog, Honolulu, HI 96822 USA.
Source Journal Of Analytical Atomic Spectrometry (0267-9477) (Royal Soc Chemistry), 2017-02 , Vol. 32 , N. 2 , P. 415-419
DOI 10.1039/c6ja00282j
WOS© Times Cited 26
Abstract

We have prepared a large volume of pure, concentrated and homogenous zinc standard solution. This new standard solution is intended to be used as a primary reference standard for the zinc isotope community, and to serve as a replacement for the nearly exhausted current reference standard, the so-called JMC-Lyon Zn. The isotopic composition of this new zinc standard (AA-ETH Zn) has been determined through an inter-laboratory calibration exercise, calibrated against the existing JMC-Lyon standard, as well as the certified Zn reference standard IRMM-3702. The data show that the new standard is isotopically indistinguishable from the IRMM-3702 zinc standard, with a weighted delta Zn-66/64 value of 0.28 +/- 0.02& relative to JMC-Lyon. We suggest that this new standard be assigned a delta Zn-66/64 value of +0.28 parts per thousand for reporting of future Zn isotope data, with the rationale that all existing published Zn isotope data are presented relative to the JMC-Lyon standard. Therefore our proposed presentation allows for a direct comparison with all previously published data, and that are directly traceable to a certified reference standard, IRMM-3702 Zn. This standard will be made freely available to all interested labs through contact with the corresponding author.

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Archer Corey, Andersen Morten B., Cloquet Christophe, Conway Tim M., Dong Shuofei, Ellwood Michael, Moore Rebekah, Nelson Joey, Rehkamper Mark, Rouxel Olivier, Samanta Moneesha, Shin Ki-Cheol, Sohrin Yoshiki, Takano Shotaro, Wasylenki Laura (2017). Inter-calibration of a proposed new primary reference standard AA-ETH Zn for zinc isotopic analysis. Journal Of Analytical Atomic Spectrometry, 32(2), 415-419. Publisher's official version : https://doi.org/10.1039/c6ja00282j , Open Access version : https://archimer.ifremer.fr/doc/00380/49085/