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SPECTROPHOTOMETRIE ABSORPTION MOLECULAIRE [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2010-10-15

English

Subject field(s)
  • Analytical Chemistry
  • Chemistry
DEF

The common logarithm of the reciprocal of the transmittance of a pure solvent. Also known as absorbancy.

DEF

The ability of a layer of a substance to absorb radiation expressed mathematically as the negative common logarithm of transmittance.

French

Domaine(s)
  • Chimie analytique
  • Chimie
DEF

Grandeur caractérisant le pouvoir absorbant d’une substance pour les radiations monochromatiques.

DEF

Logarithme décimal de l’inverse de la transmittance.

CONT

L’absorbance est donc la différence entre la densité optique de la solution absorbante du composé dissous à doser et la densité optique de la solution de référence mesurées dans les mêmes conditions.

OBS

«Absorbance» a été tiré de la norme AFNOR NF-T-01-030 intitulée «Spectrophotométrie d’absorption moléculaire-Vocabulaire et généralités».

Spanish

Campo(s) temático(s)
  • Química analítica
  • Química
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Record 2 1981-05-22

English

Subject field(s)
  • Mechanics
  • Mechanical Components
  • Machinery
OBS

The wear particles which originate from the bearing components were measured as follows. An analysis of the constituent elements of the alloys was made using X-ray fluorescence or atomic absorption spectrophotometry techniques.

French

Domaine(s)
  • Mécanique
  • Composants mécaniques
  • Machines
OBS

Les particules d’usure proviennent des éléments de roulements : bagues, cage, billes ou rouleaux. L'analyse des éléments d’alliage qui les constituent s’effectue par fluorescence(rayons X) ou par spectrophotométrie avec absorption moléculaire.

Spanish

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