Water sampling with analyte extraction and integration

G - Physics – 01 – N

Patent

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Details

G01N 1/18 (2006.01) G01N 1/14 (2006.01) G01N 1/40 (2006.01) G01N 33/18 (2006.01) G01N 35/00 (2006.01) G01N 35/10 (2006.01) G01N 1/22 (2006.01) G01N 1/28 (2006.01)

Patent

CA 2372702

An inlet (12) of a portable waterproof carrying case (4) of a programmably controlled water sampling apparatus (2) includes a pre-treatment filter unit (14), Case (4) includes clasps (6, 8) and a handle (10). A pump (18) is connected by tubing (16) to male and female lockable fitting containing and filter membrane replacement allowing filter unit (14) and by tubing (20) to three way electrically controlled valve (22). Valve (22) is in fluid communication with backflush serving liquid container (32) via tubing (28). Valve (22) also communicates through tubing (30) with solid phase analyte extraction device (34) which discharges through tubing (35). Battery (36) is connected to electronics (38) via elements (42, 44) while electric pump motor (40) is connected to electronics (38) via elements (45, 46).

Une entrée (12) d'une boîte de transport hermétique portable (4) d'un appareil de prélèvement (2) d'eau commandée par des programmes comprend un élément filtre de pré-traitement (14). Ladite boîte (4) comporte des agrafes (6, 8) et un manche (10). Une pompe (18) est reliée par des tubes (16) à l'élément filtre (14) qui permet de remplacer la membrane du filtre et qui contient un assemblage de verrouillage mâle et femelle, et est également raccordée à une vanne à trois voies commandée électriquement (22) par l'intermédiaire de tubes (20). Ladite vanne (22) est en communication fluidique avec le récipient de liquide (32) qui sert à rincer au moyen des tubes (28). Cette vanne (22) communique également par l'intermédiaire des tubes (30) avec un dispositif d'extraction (34) de substances à analyser en phase solide, ce dispositif permettant le déchargement à travers lesdits tubes (35). Des éléments (42, 44) établissent la connection d'une pile (36) avec des dispositifs électroniques (38), tandis que le moteur de la pompe électrique (40) est connecté aux dispositifs électroniques (38) par les éléments (45, 46).

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