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GB2218514B - Process evaluation by isotope enrichment - Google Patents

Process evaluation by isotope enrichment

Info

Publication number
GB2218514B
GB2218514B GB8906374A GB8906374A GB2218514B GB 2218514 B GB2218514 B GB 2218514B GB 8906374 A GB8906374 A GB 8906374A GB 8906374 A GB8906374 A GB 8906374A GB 2218514 B GB2218514 B GB 2218514B
Authority
GB
United Kingdom
Prior art keywords
process evaluation
isotope enrichment
isotope
enrichment
evaluation
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
GB8906374A
Other versions
GB8906374D0 (en
GB2218514A (en
Inventor
Peter Shu-Ti Lee
Richard F Majkowski
Dale L Partin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motors Liquidation Co
Original Assignee
General Motors Corp
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 General Motors Corp filed Critical General Motors Corp
Publication of GB8906374D0 publication Critical patent/GB8906374D0/en
Publication of GB2218514A publication Critical patent/GB2218514A/en
Application granted granted Critical
Publication of GB2218514B publication Critical patent/GB2218514B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • Biochemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Hematology (AREA)
  • Urology & Nephrology (AREA)
  • Food Science & Technology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Biophysics (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
GB8906374A 1988-05-12 1989-03-20 Process evaluation by isotope enrichment Expired - Lifetime GB2218514B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19302788A 1988-05-12 1988-05-12

Publications (3)

Publication Number Publication Date
GB8906374D0 GB8906374D0 (en) 1989-05-04
GB2218514A GB2218514A (en) 1989-11-15
GB2218514B true GB2218514B (en) 1991-12-11

Family

ID=22711992

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8906374A Expired - Lifetime GB2218514B (en) 1988-05-12 1989-03-20 Process evaluation by isotope enrichment

Country Status (3)

Country Link
JP (1) JPH0217446A (en)
DE (1) DE3913481A1 (en)
GB (1) GB2218514B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4000584A1 (en) * 1990-01-10 1991-07-11 Muetek Gmbh METHOD AND DEVICE FOR DETERMINING CONCENTRATION OF ISOTOPES
DE4012454C1 (en) * 1990-04-19 1991-08-08 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V., 8000 Muenchen, De
US5394236A (en) * 1992-02-03 1995-02-28 Rutgers, The State University Methods and apparatus for isotopic analysis
EP0584897B1 (en) * 1992-07-22 1996-10-16 MANNESMANN Aktiengesellschaft Non-dispersive infrared spectrometer
EP0634644A1 (en) * 1993-07-13 1995-01-18 Mic Medical Instrument Corporation Device for determining the 13CO2/12CO2 concentration ratio in a gas sample
DE19752508A1 (en) * 1997-08-18 1999-03-11 Hartmann & Braun Gmbh & Co Kg NDIR photometer for multi-component measurement
JP3336261B2 (en) * 1998-07-17 2002-10-21 日本酸素株式会社 Isotope spectroscopy using semiconductor laser
US6609068B2 (en) 2000-02-22 2003-08-19 Dow Global Technologies Inc. Personal computer breath analyzer for health-related behavior modification and method
KR100486482B1 (en) * 2002-06-20 2005-05-03 한일이화주식회사 Door for automobile
US7648678B2 (en) 2002-12-20 2010-01-19 Dako Denmark A/S Method and system for pretreatment of tissue slides

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50151583A (en) * 1974-05-27 1975-12-05
DE3007453A1 (en) * 1980-02-28 1981-09-03 Bodenseewerk Perkin-Elmer & Co GmbH, 7770 Überlingen SPECTRAL PHOTOMETER FOR DOUBLE-WAVELENGTH SPECTROPHOMETRY
JPS5890147A (en) * 1981-11-25 1983-05-28 Fujitsu Ltd Gaseous substance detection method
JPS59222746A (en) * 1983-06-01 1984-12-14 Sagami Chem Res Center Method and apparatus for measuring stable isotope
US4684805A (en) * 1985-08-21 1987-08-04 General Motors Corporation Method and apparatus for measuring stable isotopes
EP0253927A1 (en) * 1986-04-21 1988-01-27 Baylor College of Medicine A breath test for measuring urease activity in the stomach using carbon isotope urea

Also Published As

Publication number Publication date
JPH0217446A (en) 1990-01-22
DE3913481A1 (en) 1989-11-23
GB8906374D0 (en) 1989-05-04
GB2218514A (en) 1989-11-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960320