TERMIUM Plus®

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SPECTROMETRIE MASSE DILUTION ISOTOPIQUE [2 records]

Record 1 2011-12-12

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Radiation Protection
  • Geophysics
CONT

Geochronology questions. Solari and Schaff are generally critical of our geochronologic methods because the uncertainties of LA-ICPMS (Laser-Ablation, Inductively Coupled Plasma Mass Spectrometry) analyses are greater than the errors that they and others have generated by ID-TIMS (Isotope Dilution - Thermal Ionization Mass Spectrometry) analysis.

OBS

isotope dilution thermal ionization mass spectrometry (ID-TIMS) analysis: term and shortened form used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Radioprotection
  • Géophysique
OBS

analyse par dilution isotopique et spectrométrie de masse à thermoionisation : terme en usage à Ressources naturelles Canada-Secteur des sciences de la Terre.

Spanish

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Record 2 2009-11-17

English

Subject field(s)
  • Analytical Chemistry
  • Atomic Physics
DEF

A method that measures how much compound X is present in a liquid, solid or gas.

OBS

This method uses non-radioactive elements called stable isotopes to make a comparison of compound X with the standard that contains the stable isotope. Since the amount of stable isotope standard is known, we can calculate how much compound X is present.

French

Domaine(s)
  • Chimie analytique
  • Physique atomique
CONT

Les méthodes isotopiques couvrent une vaste gamme d’applications en chimie analytique. Ainsi, les mesures de rapports isotopiques sont essentielles pour la détermination de masses atomiques ou pour la quantification précise et fidèle de substances par spectrométrie de masse à dilution isotopique.

Spanish

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