File:Spectroscopy_overview_fr.svg
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Summary
DescriptionSpectroscopy overview fr.svg |
Français : Représentation schématique du principe de la Spectroscopie d'absorption. Ce schéma prend pour exemple le spectre visible. Un rayon blanc (contenant un mélange des différentes longueurs d'ondes) traverse un échantillon. Au sein de l'échantillon, les photons dont l'énergie correspond au passage de l'état normal à l'état excité d'un électron de l'espèce chimique étudiée sont absorbés (dans cet exemple, ce sont ceux correspondant à la lumière verte). Les autres photons traversent l'échantillon sans être affectés. En lumière visible, on obtient la couleur complémentaire. En comparant le spectre transmis avec le spectre du rayon incident, on obtient le spectre d'absorbtion. |
Date | |
Source | Own work |
Author | Jon Chui Translation by Berru |
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8 January 2011
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:18, 18 May 2011 | 760 × 303 (2.84 MB) | Berrucomons | {{Information |Description ={{en|1=later}} |Source ={{own}} |Author =Berrucomons |Date = |Permission = |other_versions = }} |
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