G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 1/00 (2006.01) G01N 1/10 (2006.01) G01N 1/22 (2006.01) G01N 1/28 (2006.01) G01N 15/06 (2006.01) G01N 1/24 (2006.01)
Patent
CA 2342126
An apparatus for, and a method of, sampling and analyzing thermally-labile chemical species, comprises a quartz tube having a filter member positioned in the bore of the tube. The filter, member comprises a plug of quartz beads having a layer of quartz frits on either side. A fluid (gas or liquid) carrying one or more chemical substances associated with particulate matter is passed through the tube, the particulate material being collected by the quartz beads. After sample collection, the material remaining/retained from the original sample is removed, as for example by thermal desorption, and the material is then analyzed.
Lu Julia
Schroeder William H.
Her Majesty The Queen In Right Of Canada As Represented By The Minister Of The Environment
Mcfadden Fincham
LandOfFree
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