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ANALISIS TRAZAS [1 record]

Record 1 2011-05-31

English

Subject field(s)
  • Analytical Chemistry
  • Environmental Studies and Analyses
OBS

Analysis of the constituents in small quantities in a sample by using techniques such as polarography and spectroscopy.

CONT

X-ray microscopy has already begun to branch out beyond the life sciences toward surface science and trace element analysis.

OBS

Compare with the closely-related concept of "ultratrace analysis."

French

Domaine(s)
  • Chimie analytique
  • Études et analyses environnementales
CONT

Analyse de traces et d'ultratraces d'éléments. [...] L'analyse d'éléments à l'état de traces concerne des secteurs d'activité aussi variés que les technologies de pointe (alliages, semi-conducteurs, nucléaire...), les domaines de la santé (produits de consommation alimentaire, fluides biologiques, atmosphères de travail...), de l'environnement (air, eaux, sols, sédiments...) ou de la géochimie (roches, sédiments...).

OBS

Pour procéder à l'analyse des traces, plusieurs techniques sont utilisées : l'extraction par solvant, la spectrographie, la spectrophotométrie de flamme, la chromatographie, la colorimétrie et la radioactivité.

CONT

Ensemble intégré GC/MS à piégeage d'ions pour analyse de traces.

Spanish

Campo(s) temático(s)
  • Química analítica
  • Estudios y análisis del medio ambiente
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