IT1205001B - Matodo ed apparechio per rivelare la presenza di tracce di gas come impurezze in azoto o gas rari - Google Patents
Matodo ed apparechio per rivelare la presenza di tracce di gas come impurezze in azoto o gas rariInfo
- Publication number
- IT1205001B IT1205001B IT20422/87A IT2042287A IT1205001B IT 1205001 B IT1205001 B IT 1205001B IT 20422/87 A IT20422/87 A IT 20422/87A IT 2042287 A IT2042287 A IT 2042287A IT 1205001 B IT1205001 B IT 1205001B
- Authority
- IT
- Italy
- Prior art keywords
- matodo
- impurities
- nitrogen
- detecting
- rare gases
- Prior art date
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)
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 IT8720422A0 (it) | 1987-05-07 |
| IT1205001B true 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)
| 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)
| 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 |
-
1987
- 1987-05-07 IT IT20422/87A patent/IT1205001B/it active
-
1988
- 1988-04-22 US US07/184,989 patent/US4889814A/en not_active Expired - Fee Related
- 1988-05-02 JP JP63107768A patent/JPS6465450A/ja active Pending
- 1988-05-05 DE DE8888830193T patent/DE3878739T2/de not_active Expired - Fee Related
- 1988-05-05 EP EP88830193A patent/EP0294340B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0294340A2 (en) | 1988-12-07 |
| DE3878739D1 (de) | 1993-04-08 |
| IT8720422A0 (it) | 1987-05-07 |
| JPS6465450A (en) | 1989-03-10 |
| US4889814A (en) | 1989-12-26 |
| EP0294340A3 (en) | 1990-03-21 |
| DE3878739T2 (de) | 1993-08-19 |
| EP0294340B1 (en) | 1993-03-03 |
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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 |