Diffusion sample collector for gaseous media

Details Diffusion sample collector for gaseous media Diffusion sample collector for gaseous media

G - Physics

01

N

150/20

G01N 1/22 (2006.01) G01N 31/22 (2006.01) G01N 1/28 (2006.01) G01N 1/40 (2006.01)

Patent

CA 1275614

ABSTRACT A diffusion sample collector for gaseous media, comprising a transparent container open at both ends, a non- permeable wall between the ends dividing the container into two compartments, each compartment communicating with a separate open end, a collecting layer of material in one compartment and an indicating layer of material in the other compartment. The collector may further comprise permeable retaining elements at the open ends. The indicating layer makes it possible to detect hazardous substances in the surrounding air during the sample collection. In this manner an unnecessary analysis of the collecting layer may be avoided and gas eruptions can be noticed immediately.

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