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
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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
- 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
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 (xx) |
Family
ID=21902577
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL266283D NL266283A (xx) | 1960-06-27 | ||
| NL125640D NL125640C (xx) | 1960-06-27 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL266283D NL266283A (xx) | 1960-06-27 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3134898A (xx) |
| DE (1) | DE1204431B (xx) |
| GB (1) | GB945438A (xx) |
| NL (2) | NL125640C (xx) |
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 |
| US4304997A (en) * | 1979-02-27 | 1981-12-08 | Hewlett-Packard Company | Electron capture detector with thermionic emission electron source |
| US4264817A (en) * | 1979-02-27 | 1981-04-28 | Hewlett-Packard Company | Coaxial 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
-
1960
- 1960-06-27 US US38907A patent/US3134898A/en not_active Expired - Lifetime
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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 |
| NL266283A (xx) | |
| DE1204431B (de) | 1965-11-04 |
| GB945438A (en) | 1963-12-23 |