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 journalArticlepeer-review

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 - 2001
Externally publishedYes

Keywords

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

ASJC Scopus subject areas

  • Geology
  • Geochemistry and Petrology

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