Dosimeter for measuring gaseous contaminants

G - Physics – 01 – N

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116/66

G01N 33/00 (2006.01) G01N 1/22 (2006.01) G01N 1/40 (2006.01)

Patent

CA 1133326

ABSTRACT OF THE DISCLOSURE A personal Dosimeter for measuring the time- average concentration of a gaseous contaminant in the atomos- phere in a manner substantially independent of atmospheric motion relative to the dosimeter is provided. The dosimeter comprises a detector substance capable of chemically or physically combining with the gaseous contaminant disposed tightly between two substantially flat members, at least one of which has a plurality of through-and-through channels. The members have corresponding, meshing shapes such that the channels provide the only communication between the atmos- phere and the detector substance, allowing the gaseous contaminant to diffuse through the channels.

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