TRACE DETECTION DEVICE AND ANALYSIS METHOD THEREFOR

Title:

TRACE DETECTION DEVICE AND ANALYSIS METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2010/135899

Kind Code:

A1

Abstract:

A trace detection device comprises an analysis chamber that delimits an analysis area (21), wherein the analysis chamber has a case that has an inlet (22) for feeding a substance to be detected into the analysis chamber and an outlet (23) for discharging a sample-carrying gas from the analysis chamber. A control unit controls the trace detection device in such a manner as to keep a fluid communicating between the inlet and the analysis chamber and also between the outlet and the analysis chamber, allowing for continuous feeding and sampling during the pre-concentration state. An analysis method for the trace detecting device is also disclosed.

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Inventors:

PENG HUA (CN)
LIN JIN (CN)
HE WEN (CN)
ZHANG YANGTIAN (CN)
WANG YAOXIN (CN)
JIAO PENG (CN)
LI HUI (CN)
ZHANG ZHONGXIA (CN)

Application Number:

PCT/CN2009/076280

Publication Date:

December 02, 2010

Filing Date:

December 30, 2009

Export Citation:

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Assignee:

NUCTECH CO LTD (CN)
PENG HUA (CN)
LIN JIN (CN)
HE WEN (CN)
ZHANG YANGTIAN (CN)
WANG YAOXIN (CN)
JIAO PENG (CN)
LI HUI (CN)
ZHANG ZHONGXIA (CN)

International Classes:

G01N1/40; G01N27/623; G01N27/626

Domestic Patent References:

WO2007113486A1	2007-10-11
WO2006129101A1	2006-12-07

Foreign References:

US20080206106A1

2008-08-28

Other References: