An improved chromatographic separation technique of Nd with application to NdO+ isotope analysis

M. Griselin, J. C. Van Belle, C. Pomiès, P. Z. Vroon, M. C. Van Soest, G. R. Davies

Research output: Contribution to journalArticle

44 Scopus citations

Abstract

Isotopic analysis by Thermal Ionization Mass Spectrometry (TIMS) requires efficient chemical separation of the element of interest. This statement is particularly true for NdO+ measurements during which isobaric interferences must be minimized. Here, we present a new chromatographic procedure that efficiently separates Nd from other Light Rare-Earth Elements (LREE) and is ideal for NdO+ measurements. After separation of the LREE fraction from the bulk matrix, Nd is chemically separated using a High Pressure Liquid Chromatographic (HPLC) technique, with Aminex resin (Bio-Rad

Original languageEnglish (US)
Pages (from-to)347-359
Number of pages13
JournalChemical Geology
Volume172
Issue number3-4
DOIs
StatePublished - Apr 23 2001

Keywords

  • Chromatography
  • NdO technique
  • Neodymium
  • Oxygen isotope
  • REE

ASJC Scopus subject areas

  • Geology
  • Geochemistry and Petrology

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