GB1435747A - Selective ionization detector - Google Patents

Selective ionization detector

Info

Publication number
GB1435747A
GB1435747A GB2136173A GB2136173A GB1435747A GB 1435747 A GB1435747 A GB 1435747A GB 2136173 A GB2136173 A GB 2136173A GB 2136173 A GB2136173 A GB 2136173A GB 1435747 A GB1435747 A GB 1435747A
Authority
GB
United Kingdom
Prior art keywords
gas
conduit
inlet
alkali
supplied
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB2136173A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PE Manufacturing GmbH
Original Assignee
Bodenseewerk Perkin Elmer and Co GmbH
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 Bodenseewerk Perkin Elmer and Co GmbH filed Critical Bodenseewerk Perkin Elmer and Co GmbH
Publication of GB1435747A publication Critical patent/GB1435747A/en
Expired legal-status Critical Current

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
    • G01N30/62—Detectors specially adapted therefor
    • G01N30/64—Electrical detectors
    • G01N30/68—Flame ionisation detectors

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

1435747 Ionization detectors BODENSEEWERK PERKIN-ELMER & CO GmbH 4 May 1973 [6 May 1972] 21361/73 Heading H1D A selective ionization detector comprises a housing 10 having a gas inlet 18 at the end of a conduit 22 for sample gas to which is connected a conduit 24 for combustible gas opening into the sample gas conduit upstream of the inlet so that combustible gas supplied through this conduit will mix with the sample gas before reaching the inlet, a pair of spaced electrodes 30 and 42, the first 30 of which includes an alkali source in the form of a body of alkali-containing glass and is located adjacent the gas inlet so that gas flowing from the inlet will be directed over the surface of the alkali glass body, and heating means capable of supplying sufficient thermal energy to the glass body to maintain it in a viscous or softened condition during operation. The gas inlet 18 terminates in a nozzle immediately below an aperture 20 in a partition 12 dividing the housing 10 into chambers 14 and 16. A sample gas from the separating column of a gas chromatograph mixed with a carrier gas is supplied to the nozzle through conduit 22. The combustible gas, e.g. hydrogen, is supplied through conduit 24 and combustion air is supplied through a conduit 28 to produce a flame 26. A bead 30 of alkali-rich glass is suspended in chamber 16 by leads 32 and 34 which also supply heating current to a heating resistor 40. Electrode 42 is a collecting electrode. Alternatively the bead 30 is suspended in the flame 26 on a platinum bracket 52. Combustion products are exhausted through outlet 50. Circuit arrangements are described (Figs. 2, 3, and 6, not shown) in which the nozzle is either maintained at a potential negative with respect to the collecting electrode or at the same potential as the collecting electrode or is connected to a switch to enable either connection to be selected so that the detector can be switched from selective to non-selective operation. The alkali in the bead 30 may berubidium for detecting nitrogen, or sodium for detecting phosphorus.
GB2136173A 1972-05-06 1973-05-04 Selective ionization detector Expired GB1435747A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2222396A DE2222396B2 (en) 1972-05-06 1972-05-06 Selective ionization detector

Publications (1)

Publication Number Publication Date
GB1435747A true GB1435747A (en) 1976-05-12

Family

ID=5844308

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2136173A Expired GB1435747A (en) 1972-05-06 1973-05-04 Selective ionization detector

Country Status (5)

Country Link
US (1) US3852037A (en)
JP (1) JPS553664B2 (en)
DE (1) DE2222396B2 (en)
GB (1) GB1435747A (en)
NL (1) NL7306217A (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5717308Y2 (en) * 1977-04-20 1982-04-12
JPS5717309Y2 (en) * 1977-04-20 1982-04-12
DE2738608C2 (en) * 1977-08-26 1985-02-07 Siemens AG, 1000 Berlin und 8000 München Thermionic detector for the selective determination of organic sample substances containing heteroatoms
US4202666A (en) * 1978-02-24 1980-05-13 Tracor, Inc. Method and apparatus for preventing the destruction of an alkali source of a nitrogen-phosphorous detector
US4203726A (en) * 1978-02-28 1980-05-20 Varian Associates, Inc. Thermionic detector
JPS5550155A (en) * 1978-10-06 1980-04-11 Hitachi Ltd Heat ionization detector
JPS56155345U (en) * 1980-04-19 1981-11-19
DE3017945A1 (en) * 1980-05-10 1981-11-12 Ratfisch Instrumente, 8000 München DEVICE FOR CONTINUOUSLY MEASURING THE HYDROCARBON CONCENTRATION IN A MULTIPLE NUMBER OF SEPARATE SAMPLE FLOWS BY MEANS OF FLAME IONIZATION DETECTORS
IT1136664B (en) * 1981-06-09 1986-09-03 Erba Strumentazione MODIFIED FLAME THERMOIONIC REVALUER FOR GAS-CHROMATOGRAPHS, AND METHOD OF IDENTIFICATION OF COMPONENTS IN A SAMPLE UNDER ANALYSIS
US4663297A (en) * 1982-09-10 1987-05-05 Yates Jr John T Temperature programmed spectroscopy techniques
US4877584A (en) * 1982-09-10 1989-10-31 Yates Jr John T Temperature programmed spectroscopy techniques
US4524047A (en) * 1983-03-02 1985-06-18 Patterson Paul L Thermionic detector with multiple layered ionization source
FR2564636B1 (en) * 1984-05-16 1990-07-06 Onera (Off Nat Aerospatiale) SOURCE OF IONS OPERATING BY SURFACE IONIZATION, IN PARTICULAR FOR THE REALIZATION OF AN IONIC PROBE
US4839143A (en) * 1985-02-15 1989-06-13 Allied-Signal Inc. Selective ionization of gas constituents using electrolytic reactions
US4744954A (en) * 1986-07-11 1988-05-17 Allied-Signal Inc. Amperometric gas sensor containing a solid electrolyte
US5198009A (en) * 1991-11-22 1993-03-30 The Perkin Elmer Corporation Method of manufacturing glass beads for use in thermionic gas chromatographic detectors
EP0594887A1 (en) * 1992-10-29 1994-05-04 Hans Mueller Prof. Dr. Van Der Haegen Method for identifying and subsequent sorting of plastics
US10191020B2 (en) 2014-05-16 2019-01-29 Waters Technologies Corporation Flame ionization detection burner assemblies for use in compressible fluid-based chromatography systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3372994A (en) * 1965-01-08 1968-03-12 Health Education Welfare Usa Flame ionization detector
US3425806A (en) * 1965-03-22 1969-02-04 Us Health Education & Welfare Method and means for detecting a halogen or phosphorus in a gaseous material
US3589869A (en) * 1969-02-17 1971-06-29 Varian Associates Chemical-ionization detection method and apparatus

Also Published As

Publication number Publication date
DE2222396B2 (en) 1975-04-30
NL7306217A (en) 1973-11-08
DE2222396A1 (en) 1973-11-15
JPS4949689A (en) 1974-05-14
JPS553664B2 (en) 1980-01-26
US3852037A (en) 1974-12-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee