ATE214802T1 - Ndir-gerät und verfahren zur messung von isotopenverhältenissen in gasproben - Google Patents

Ndir-gerät und verfahren zur messung von isotopenverhältenissen in gasproben

Info

Publication number
ATE214802T1
ATE214802T1 AT97927991T AT97927991T ATE214802T1 AT E214802 T1 ATE214802 T1 AT E214802T1 AT 97927991 T AT97927991 T AT 97927991T AT 97927991 T AT97927991 T AT 97927991T AT E214802 T1 ATE214802 T1 AT E214802T1
Authority
AT
Austria
Prior art keywords
gas samples
isotope ratios
measuring isotope
measurements
ndir device
Prior art date
Application number
AT97927991T
Other languages
English (en)
Inventor
Donald J Eckstrom
Original Assignee
Stanford Res Inst Int
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stanford Res Inst Int filed Critical Stanford Res Inst Int
Application granted granted Critical
Publication of ATE214802T1 publication Critical patent/ATE214802T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/497—Physical analysis of biological material of gaseous biological material, e.g. breath

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
AT97927991T 1996-06-11 1997-06-10 Ndir-gerät und verfahren zur messung von isotopenverhältenissen in gasproben ATE214802T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/661,482 US5747809A (en) 1996-06-11 1996-06-11 NDIR apparatus and method for measuring isotopic ratios in gaseous samples
PCT/US1997/009751 WO1997047957A1 (en) 1996-06-11 1997-06-10 Ndir apparatus and method for measuring isotopic ratios in gaseous samples

Publications (1)

Publication Number Publication Date
ATE214802T1 true ATE214802T1 (de) 2002-04-15

Family

ID=24653790

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97927991T ATE214802T1 (de) 1996-06-11 1997-06-10 Ndir-gerät und verfahren zur messung von isotopenverhältenissen in gasproben

Country Status (7)

Country Link
US (1) US5747809A (de)
EP (1) EP0904529B1 (de)
JP (1) JP2000512757A (de)
AT (1) ATE214802T1 (de)
CA (1) CA2256729A1 (de)
DE (1) DE69711178D1 (de)
WO (1) WO1997047957A1 (de)

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US8148691B1 (en) * 2009-08-21 2012-04-03 Jacob Y Wong Calibration methodology for NDIR dew point sensors
DE102009058394B3 (de) 2009-12-15 2011-02-10 Siemens Aktiengesellschaft Verfahren zur Messung der Konzentration mindestens einer Gaskomponente in einem Messgas
DE102010054940B4 (de) 2009-12-18 2018-11-29 Abb Ag Verfahren und Einrichtung zur erweiterten Atemgasdiagnostik mittels isotopenspezifischer NDIR Gasanalytik
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CN104964944B (zh) * 2015-06-23 2017-10-31 广州华友明康光电科技有限公司 一种双路红外光谱分析系统及其检测方法
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US10330592B2 (en) 2017-07-21 2019-06-25 Serguei Koulikov Laser absorption spectroscopy isotopic gas analyzer
EP3726199B1 (de) 2019-04-15 2023-06-07 WoePal GmbH Partikelsensor
US20210137413A1 (en) 2019-11-07 2021-05-13 Vitalii Vorkov Method of Exhaled Gas Analysis and a Universal Portable Breath Content Analyzer for Carrying out the Method
CN112858217B (zh) 2021-03-12 2022-07-15 中国科学技术大学 一种双波长法定量检测碳14同位素的装置及光谱仪
LT7040B (lt) * 2022-05-13 2023-12-27 Valstybinis mokslinių tyrimų institutas Fizinių ir technologijos mokslų centras Optinis CO2 koncentracijos matuoklis dujų absorbcijos pagrindu
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CN118794891B (zh) * 2024-09-14 2025-05-27 常熟理工学院 一种痕量氢气浓度检测装置及方法
CN119757262A (zh) * 2024-12-03 2025-04-04 安徽养和医疗器械设备有限公司 一种光学检测系统及方法

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Also Published As

Publication number Publication date
JP2000512757A (ja) 2000-09-26
WO1997047957A1 (en) 1997-12-18
CA2256729A1 (en) 1997-12-18
EP0904529A1 (de) 1999-03-31
EP0904529B1 (de) 2002-03-20
DE69711178D1 (de) 2002-04-25
US5747809A (en) 1998-05-05

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