ch10 Flashcards

1
Q

3 types danalyse

A

ponctuelle, linéaire, de surface

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2
Q

ponctuelle

A

detection et degrossisage de la composition, analyse des teneurs

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3
Q

lineaire

A

profils de concentration, donation, diffusion, joint de grains

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4
Q

surface

A

distribution et localisation des éléments. structures, textures, variation de densité, topographie, relief

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5
Q

raie la plus intense

A

Ka

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6
Q

electrons secondaires

A

e- de faible énergie arrachés après ionisation

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7
Q

electrons retrodiffusé

A

e- incident réélis après certains nb de déviation surtout rebondissement élastique sur les noyaux

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8
Q

rayons x

A

profondeur plus importantes et résolution obtenue est faible, riche en info sur nature des phases

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9
Q

corrections

A
  • comptage
  • fond continu
  • fluorescence
  • absorption
  • num atomique
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10
Q

application en mineralo

A

-analyse chimique
-identification et analyse
variation spatiale de composition
-localisation et texture

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