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Team TFS
Team TFS
1) Department of Geology and Geophysics, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA, 2) Department of Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA
Journal of Analytical Atomic Spectrometry (2012), V27, pp1560–1567, doi: 10.1039/c2ja30123g
High-precision and accurate determinations of neodymium isotopic compositions at nanogram levels in natural materials by MC-ICP-MS
Kuo-Fang Huang (1), Jerzy Blusztajn (1), Delia W. Oppo (1), William B. Curry (1) and Bernhard Peucker-Ehrenbrink (2)
A comparatively simple, rapid, low-blank, high-precision and reproducible technique for Nd isotope analysis (143Nd/144Nd) of trace amounts (1–5 ng) of Nd by multi-collector inductively coupled plasma mass spectrometry (MC-ICP-MS) was developed and is reported here. The technique utilizes a combination of a high-sensitivity desolvator (Aridus II or APEX-IR) and high-efficiency Jet-sample/Xskimmer cones, together with high-yield pre-concentration and column chemistry, to achieve optimal conditions for Nd isotope determination in natural materials with a variety of Nd-depleted matrices. This new method was validated by analyzing a series of international reference materials (RMs), which span a wide range of the Nd isotopic composition and cover different sample matrices in order to provide a useful benchmark for future studies.
  • Neptune
  • Nd isotopes
  • High sensitivity
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