NL241857A - - Google Patents

Info

Publication number
NL241857A
NL241857A NL241857DA NL241857A NL 241857 A NL241857 A NL 241857A NL 241857D A NL241857D A NL 241857DA NL 241857 A NL241857 A NL 241857A
Authority
NL
Netherlands
Application number
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.)
Publication of NL241857A publication Critical patent/NL241857A/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/62Investigating 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
    • G01N27/68Investigating 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
    • G01N27/70Investigating 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 and measuring current or voltage
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L21/00Vacuum gauges
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/62Investigating 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/62Investigating 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
    • G01N27/64Investigating 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 wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
    • G01N27/66Investigating 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 wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N7/00Analysing materials by measuring the pressure or volume of a gas or vapour
    • G01N7/10Analysing materials by measuring the pressure or volume of a gas or vapour by allowing diffusion of components through a porous wall and measuring a pressure or volume difference

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
NL241857D 1958-08-20 NL241857A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US756115A US3100868A (en) 1958-08-20 1958-08-20 Light gas detector using thin walled glass tubes for diffusion

Publications (1)

Publication Number Publication Date
NL241857A true NL241857A (en:Method)

Family

ID=25042104

Family Applications (1)

Application Number Title Priority Date Filing Date
NL241857D NL241857A (en:Method) 1958-08-20

Country Status (6)

Country Link
US (1) US3100868A (en:Method)
BE (1) BE580533A (en:Method)
DE (1) DE1099219B (en:Method)
FR (1) FR1233891A (en:Method)
GB (1) GB910359A (en:Method)
NL (1) NL241857A (en:Method)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3246764A (en) * 1961-11-30 1966-04-19 Du Pont Fluid separation
DE1302826B (en:Method) * 1962-07-16 Ges Fuer Kernforschung Mbh
DE1186243B (de) * 1962-11-03 1965-01-28 Heraeus Gmbh W C Geraete zur Anzeige des Anteils gasfoermiger, hoehermolekularer Verunreinigungen eines niedermolekularen Gases
US3731523A (en) * 1971-02-23 1973-05-08 Atomic Energy Commission Hydrogen activity meter
US4272330A (en) * 1980-03-03 1981-06-09 Ford Motor Company Transient mode oxygen sensor and method
US4328768A (en) * 1980-07-24 1982-05-11 General Motors Corporation Hydrogen fuel storage and delivery system
US4381224A (en) * 1981-04-27 1983-04-26 Ford Motor Company Step function lean burn oxygen sensor
US4396466A (en) * 1981-04-27 1983-08-02 Ford Motor Company Absolute pressure sensor
US4482360A (en) * 1982-05-29 1984-11-13 Nippon Steel Corporation Porous materials for concentration and separation of hydrogen or helium, and process therewith for the separation of the gas
DE3311194A1 (de) * 1983-03-26 1984-10-04 Kernforschungsanlage Jülich GmbH, 5170 Jülich Druckmessgeraet fuer tritiumdrucke von 0,1 mbar bis 100 bar
US4671809A (en) * 1984-06-05 1987-06-09 Nippon Steel Corporation Gas separation module
US4873862A (en) * 1986-04-16 1989-10-17 The Perkin-Elmer Corporation Ionization detectors for gas chromatography
US4853001A (en) * 1986-06-06 1989-08-01 Ppg Industries, Inc. Porous inorganic siliceous-containing gas enriching material and process of manufacture and use
US4842620A (en) * 1986-06-06 1989-06-27 Ppg Industries, Inc. Process of gas enrichment with porous siliceous-containing material
US4872979A (en) * 1987-04-22 1989-10-10 The Perkin-Elmer Corporation Chromatography column
USRE33678E (en) * 1987-06-23 1991-09-03 Union Carbide Industrial Gases Technology Corporation Membrane separation system and process
US4787919A (en) * 1987-06-23 1988-11-29 Union Carbide Corporation Membrane separation system and process
DE3815131C1 (en:Method) * 1988-05-04 1989-06-22 Draegerwerk Ag, 2400 Luebeck, De
US4902307A (en) * 1988-11-18 1990-02-20 California Institute Of Technology Synthesis of SiO2 membrane on porous support and method of use of same
US6174352B1 (en) * 1998-11-24 2001-01-16 Uop Llc Round profile multi-capillary assembly and method of making
GB2358060B (en) * 2000-01-05 2003-09-24 Ion Science Ltd Hydrogen collection and detection
JP2003342009A (ja) * 2002-05-28 2003-12-03 Toyo Eng Corp 高純度ヘリウムの製造方法
US10236920B2 (en) 2015-12-15 2019-03-19 Battelle Memorial Institute Signal transmitter and methods for transmitting signals from animals

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734592A (en) * 1956-02-14 Separation of gases
DE431507C (de) * 1925-12-02 1926-07-08 Fritz Paneth Dr Abscheidung von Helium aus Gasgemischen
US2400940A (en) * 1943-03-22 1946-05-28 Mccollum Thelma Gas detection apparatus
FR962489A (en:Method) * 1947-03-07 1950-06-10
US2671336A (en) * 1949-11-30 1954-03-09 Universal Oil Prod Co Hydrogen analyzer
US2671337A (en) * 1951-03-31 1954-03-09 Universal Oil Prod Co Hydrogen analyzer
FR1145709A (fr) * 1955-01-12 1957-10-29 Ruhrchemie Ag électrode à diffusion pour éléments à combustibles alimentés par des mélanges gazeux
US2909919A (en) * 1955-07-21 1959-10-27 Honeywell Regulator Co Constituent potential measuring apparatus
US2921210A (en) * 1957-09-30 1960-01-12 Pure Oil Co Hydrogen diffusion detection apparatus

Also Published As

Publication number Publication date
US3100868A (en) 1963-08-13
BE580533A (fr) 1959-11-03
GB910359A (en) 1962-11-14
DE1099219B (de) 1961-02-09
FR1233891A (fr) 1960-10-12

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