IT8720422A0 - Metodo ed apparecchio per rivelare la presenza di tracce di gas come impurezze in azoto o gas rari. - Google Patents

Metodo ed apparecchio per rivelare la presenza di tracce di gas come impurezze in azoto o gas rari.

Info

Publication number
IT8720422A0
IT8720422A0 IT8720422A IT2042287A IT8720422A0 IT 8720422 A0 IT8720422 A0 IT 8720422A0 IT 8720422 A IT8720422 A IT 8720422A IT 2042287 A IT2042287 A IT 2042287A IT 8720422 A0 IT8720422 A0 IT 8720422A0
Authority
IT
Italy
Prior art keywords
traces
impurities
nitrogen
detecting
gas
Prior art date
Application number
IT8720422A
Other languages
English (en)
Other versions
IT1205001B (it
Inventor
Marco Succi
Original Assignee
Getters Spa
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 Getters Spa filed Critical Getters Spa
Priority to IT20422/87A priority Critical patent/IT1205001B/it
Publication of IT8720422A0 publication Critical patent/IT8720422A0/it
Priority to US07/184,989 priority patent/US4889814A/en
Priority to JP63107768A priority patent/JPS6465450A/ja
Priority to EP88830193A priority patent/EP0294340B1/en
Priority to DE8888830193T priority patent/DE3878739T2/de
Application granted granted Critical
Publication of IT1205001B publication Critical patent/IT1205001B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/84—Preparation of the fraction to be distributed
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
    • G01N27/68—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using electric discharge to ionise a gas
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/005—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods investigating the presence of an element by oxidation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/20—Oxygen containing
    • Y10T436/204998—Inorganic carbon compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/21—Hydrocarbon
    • Y10T436/214—Acyclic [e.g., methane, octane, isoparaffin, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
IT20422/87A 1987-05-07 1987-05-07 Matodo ed apparechio per rivelare la presenza di tracce di gas come impurezze in azoto o gas rari IT1205001B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT20422/87A IT1205001B (it) 1987-05-07 1987-05-07 Matodo ed apparechio per rivelare la presenza di tracce di gas come impurezze in azoto o gas rari
US07/184,989 US4889814A (en) 1987-05-07 1988-04-22 Method and apparatus for detection of trace impurities in an impure inert gas
JP63107768A JPS6465450A (en) 1987-05-07 1988-05-02 Method and apparatus for detecting trace impurities in impure inert gas
EP88830193A EP0294340B1 (en) 1987-05-07 1988-05-05 Method and apparatus for detection of gases as impurities in an inert gas
DE8888830193T DE3878739T2 (de) 1987-05-07 1988-05-05 Verfahren und vorrichtung zum nachweis von gasfoermigen verunreinigungen in einem inerten gas.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20422/87A IT1205001B (it) 1987-05-07 1987-05-07 Matodo ed apparechio per rivelare la presenza di tracce di gas come impurezze in azoto o gas rari

Publications (2)

Publication Number Publication Date
IT8720422A0 true IT8720422A0 (it) 1987-05-07
IT1205001B IT1205001B (it) 1989-03-10

Family

ID=11166696

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20422/87A IT1205001B (it) 1987-05-07 1987-05-07 Matodo ed apparechio per rivelare la presenza di tracce di gas come impurezze in azoto o gas rari

Country Status (5)

Country Link
US (1) US4889814A (it)
EP (1) EP0294340B1 (it)
JP (1) JPS6465450A (it)
DE (1) DE3878739T2 (it)
IT (1) IT1205001B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5980832A (en) * 1997-09-23 1999-11-09 The Regents Of The University Of California Ultratrace detector for hand-held gas chromatography
RU2556337C1 (ru) * 2014-02-28 2015-07-10 Открытое акционерное общество "Научно-исследовательский институт электронной техники" Способ измерения концентрации примесей в нейтральных газах
CN115598266A (zh) * 2022-12-12 2023-01-13 山东非金属材料研究所（Cn） 一种惰性气体分析方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3266869A (en) * 1963-09-30 1966-08-16 Oskar E Dengler Carbon dioxide analyzer
FR1422192A (fr) * 1964-10-28 1965-12-24 Air Liquide Traitement de gaz contenant une impureté sous forme gazeuse
US3420636A (en) * 1966-04-28 1969-01-07 Stanford Research Inst Carbon monoxide analyzer
US3549327A (en) * 1967-12-05 1970-12-22 Scient Research Instr Corp Method and analyzer for hydrogen carbon monoxide and hydrocarbons in exhaust gases
US3754867A (en) * 1970-12-11 1973-08-28 Bjorksten Res Lab Inc Carbon dioxide sensing system
US3790348A (en) * 1972-03-22 1974-02-05 Mine Safety Appliances Co Apparatus for determining the carbon monoxide, methane and total hydrocarbons content in air
DE2224408B2 (de) * 1972-05-18 1980-09-04 Max-Planck-Gesellschaft Zur Foerderung Der Wissenschaften E.V., 3400 Goettingen Einrichtung zum Messen der relativen Konzentration einer Gaskomponente
SE387444B (sv) * 1974-09-09 1976-09-06 C M Svensson Detektor for pavisande av vete
US4063895A (en) * 1976-07-12 1977-12-20 Beckman Instruments, Inc. Methane analyzer
US4411867A (en) * 1980-03-13 1983-10-25 Ostrander Clinton R Reduction gas detector
US4525328A (en) * 1982-03-05 1985-06-25 Leco Corporation Carbon, hydrogen, and nitrogen analyzer
US4541269A (en) * 1983-07-27 1985-09-17 The State Of Oregon Acting By And Through State Board Of Higher Education For And On Behalf Of Oregon State University Gas chromatograph detector
EP0135135A3 (en) * 1983-08-15 1987-04-15 Honeywell Inc. Method and apparatus for trace gas detection

Also Published As

Publication number Publication date
IT1205001B (it) 1989-03-10
EP0294340A2 (en) 1988-12-07
DE3878739T2 (de) 1993-08-19
DE3878739D1 (de) 1993-04-08
JPS6465450A (en) 1989-03-10
EP0294340B1 (en) 1993-03-03
US4889814A (en) 1989-12-26
EP0294340A3 (en) 1990-03-21

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970428