Method and apparatus for water sampling utilizing solid...

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G01N 1/00 (2006.01) G01N 1/14 (2006.01) G01N 1/34 (2006.01) G01N 1/40 (2006.01) G01N 33/18 (2006.01)

Patent

CA 2283781

A method and apparatus for water sampling utilizing on-site solid phase extraction that permits high sample flow rates and eliminates the requirement for sample storage. Samples are collected at a relatively high flow rate and then temporarily stored under pressure before passing through a solid phase extraction device (40) at a slower rate commensurate with the flow rate tolerance of the device. Each sample quantity is also automatically measured, eliminating the requirement for sample storage and subsequent manual quantity measurement and/or transportation to a laboratory.

Procédé et dispositif d'échantillonnage d'eau, utilisant une extraction en phase solide réalisée sur le terrain . Ce procédé et dispositif permettent d'obtenir des vitesses d'échantillonnage élevées et suppriment la nécessité de stocker les échantillons. Les échantillons sont collectés à une vitesse relativement élevée puis stockés temporairement sous pression avant d'être passés à travers un dispositif (40) d'extraction en phase solide à une vitesse plus lente, adaptée à la tolérance du dispositif pour la vitesse d'écoulement. Chaque quantité échantillonnée est mesurée automatiquement, ce qui élimine la nécessité de stocker des échantillons et de mesurer ultérieurement manuellement les quantités et/ou de transporter les échantillons dans un laboratoire.

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