NL125640C - - Google Patents
Info
- Publication number
- NL125640C NL125640C NL125640DA NL125640C NL 125640 C NL125640 C NL 125640C NL 125640D A NL125640D A NL 125640DA NL 125640 C NL125640 C NL 125640C
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- G01N27/64—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 wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
- G01N27/66—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 wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage
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- 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
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- 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
- G01N30/62—Detectors specially adapted therefor
- G01N30/64—Electrical detectors
- G01N30/70—Electron capture detectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/30—Igniting arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
- H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
- H01J41/08—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of radioactive substances, e.g. alphatrons
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J47/00—Tubes for determining the presence, intensity, density or energy of radiation or particles
- H01J47/02—Ionisation chambers
- H01J47/026—Gas flow ionisation chambers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Toxicology (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Electron Tubes For Measurement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38907A US3134898A (en) | 1960-06-27 | 1960-06-27 | Gas chromatography with means to flow ionization particles into the ionization chamber |
Publications (1)
Publication Number | Publication Date |
---|---|
NL125640C true NL125640C (de) |
Family
ID=21902577
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL266283D NL266283A (de) | 1960-06-27 | ||
NL125640D NL125640C (de) | 1960-06-27 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL266283D NL266283A (de) | 1960-06-27 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3134898A (de) |
DE (1) | DE1204431B (de) |
GB (1) | GB945438A (de) |
NL (2) | NL125640C (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1070741A (en) * | 1962-12-06 | 1967-06-01 | Nat Res Dev | Improvements in and relating to gas or vapour detectors |
US3418514A (en) * | 1966-05-31 | 1968-12-24 | Beckman Instruments Inc | Electrical discharge detectors for gas chromatography |
US3573460A (en) * | 1966-09-12 | 1971-04-06 | Gen Electric | Ion chamber detector for submicron particles |
US3522431A (en) * | 1967-12-26 | 1970-08-04 | Gen Electric | Gas conversion apparatus and method for producing condensation nuclei |
US3506824A (en) * | 1968-04-22 | 1970-04-14 | Morton Beroza | Apparatus for combining a gas chromatograph with a spectrophotofluorometer and other devices by means of a flowing liquid interface |
US3535576A (en) * | 1968-11-21 | 1970-10-20 | Honeywell Inc | Photoionization device with electrodes attached to exterior of envelope |
US4264817A (en) * | 1979-02-27 | 1981-04-28 | Hewlett-Packard Company | Coaxial electron capture detector with thermionic emission electron source |
US4304997A (en) * | 1979-02-27 | 1981-12-08 | Hewlett-Packard Company | Electron capture detector with thermionic emission electron source |
US4377749A (en) * | 1981-02-25 | 1983-03-22 | Young Robert A | Photoionizer |
GB8506788D0 (en) * | 1985-03-15 | 1985-04-17 | Secr Defence | Thermal electron source |
GB2183897B (en) * | 1985-10-30 | 1990-07-11 | Perkin Elmer Corp | Ionization detectors for gas chromatography |
US5142144A (en) * | 1990-07-02 | 1992-08-25 | Quantametrics Inc. | Methods and means for detection of dangerous substances |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2715195A (en) * | 1946-07-19 | 1955-08-09 | Friedman Herbert | Photon-counter with adjustable threshold |
DE1074293B (de) * | 1954-10-28 | 1960-01-28 | N V Philips Gloeilampenfabrie ken Eindhoven (Niederlande) | Verfahren und Vorrichtung zum Analy sieren von lonisierbaren Gasen 22 10 5> V St Amerika |
US2885555A (en) * | 1954-12-27 | 1959-05-05 | Honeywell Regulator Co | Combustibles detector |
US2901625A (en) * | 1956-01-05 | 1959-08-25 | Friedman Herbert | Ultra-violet gas analysis |
US2959677A (en) * | 1957-05-02 | 1960-11-08 | Cons Electrodynamics Corp | Gas analysis |
US2950387A (en) * | 1957-08-16 | 1960-08-23 | Bell & Howell Co | Gas analysis |
US3009097A (en) * | 1958-02-19 | 1961-11-14 | Mine Safety Appliances Co | Method of oxygen detection |
US3029358A (en) * | 1959-07-13 | 1962-04-10 | Nuclear Chicago Corp | Gas chromatograph ionization detector |
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0
- NL NL266283D patent/NL266283A/xx unknown
- NL NL125640D patent/NL125640C/xx active
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1960
- 1960-06-27 US US38907A patent/US3134898A/en not_active Expired - Lifetime
-
1961
- 1961-04-28 GB GB15388/61A patent/GB945438A/en not_active Expired
- 1961-06-27 DE DEB63048A patent/DE1204431B/de active Pending
Also Published As
Publication number | Publication date |
---|---|
US3134898A (en) | 1964-05-26 |
GB945438A (en) | 1963-12-23 |
NL266283A (de) | |
DE1204431B (de) | 1965-11-04 |