Air quality. Workplace air. Determination of methylbromide. Sampling by pumping trough activated charcoal.

1 OBJET ET DOMAINE D'APPLICATION 4

2 PRINCIPE DE LA MÉTHODE 5

3 PROPRIÉTÉS DU COMPOSÉ 5

4 RÉACTIFS 5

4.1 Réactifs 5

4.2 Gaz vecteurs 6

5 APPAREILLAGE 6

5.1 Pompe de prélèvement 6

5.2 Tubes d'échantillonnage 7

6 SOLUTIONS ÉTALONS 7

7 MODE OPÉRATOIRE 8

7.1 Prélèvement 8

7.2 Désorption 8

7.3 Choix des conditions chromatographiques 9

7.4 Étalonnage interne 9

7.5 Étalonnage externe 10

8 EXPRESSION DES RÉSULTATS - CALCUL DES CONCENTRATIONS 11

9 FIDÉLITÉ 11

10 BIBLIOGRAPHIE 11

ANNEXE A - mesure du débit de prélèvement 12

ANNEXE B - Exemples de chromatogrammes obtenus 15

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