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Cours de Chromatographie en Phase Gazeuse (L2)

Chromatographie en Phase Gazeuse (CPG) - LISA

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<strong>Chromatographie</strong> <strong>en</strong> <strong>Phase</strong> <strong>Gazeuse</strong> (CPG)<br />

4. Acquisition et traitem<strong>en</strong>t du signal<br />

41 4.1 acquisition<br />

iti<br />

-<strong>en</strong>registrem<strong>en</strong>t <strong>en</strong> continu du signal<br />

-analyse qualitative (temps <strong>de</strong> rét<strong>en</strong>tion)<br />

et quantitative (surface du pic)<br />

4.2 traitem<strong>en</strong>t du signal<br />

-élimination du bruit <strong>de</strong> fond<br />

-élimination du pic majoritaire pour les analyses <strong>de</strong> trace<br />

- traitem<strong>en</strong>t statistique <strong>de</strong> la forme <strong>de</strong>s pics pour reconnaître<br />

<strong>de</strong>s familles homologues (alcanes, alcènes)<br />

Université <strong>de</strong> Paris Val 12 <strong>de</strong> Val Marne <strong>de</strong> Marne Faculté <strong>de</strong>s Sci<strong>en</strong>ces et technologie Faculté <strong>de</strong> Sci<strong>en</strong>ces 9 et 16 Technologie mars 2009

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