G - Physics – 01 – N
Patent
G - Physics
01
N
150/21
G01N 1/22 (2006.01) G01N 21/78 (2006.01) G01N 31/22 (2006.01)
Patent
CA 2010592
DIR 0434 ABSTRACT: The invention relates to a detection strip for detecting and identifying chemical air contaminants, comprising a holder having a plurality of spaced carriers which are capable of absorbing the air contaminants and which optionally comprise reagents which can be influenced by the air contaminants, and having a plurality of colour- producing agents oppositely to the carriers, which agents, in contact with the absorbed air contaminants or with the reagents, depending on whether or not these reagents have been influenced, can cause a colour reaction in the presence of a liquid, in which the colour-producing agents, dissolved in the quantities of liquid required for the colour reaction, are accommodated in closed reservoirs having an easily breakable wall; and in which the collecti- ve reservoires are provided between the carriers and a strip of a slightly flexible material (flexible strip) in such a manner that when a mechanical pressure is exerted on said flexible strip at the area of the reservoirs said flexible strip will yield, as a result of which the reservoirs, in case the carriers are supported, will break and the contents thereof will be contacted with the absorbed air contaminants or with the reagents. The invention also relates to a portable detection kit which, in addition to a number of these detection strips, comprises at least one device for breaking the reservoirs accommodated in the detection strips.
Kleingeld Adriaan
Kooijmans Kees R.
Kragtwijk Wilhelmus F.
Duphar International Research B.v.
Fetherstonhaugh & Co.
Kleingeld Adriaan
Kooijmans Kees R.
Kragtwijk Wilhelmus F.
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