GB8427545D0 - Sample modulator cell - Google Patents

Sample modulator cell

Info

Publication number
GB8427545D0
GB8427545D0 GB848427545A GB8427545A GB8427545D0 GB 8427545 D0 GB8427545 D0 GB 8427545D0 GB 848427545 A GB848427545 A GB 848427545A GB 8427545 A GB8427545 A GB 8427545A GB 8427545 D0 GB8427545 D0 GB 8427545D0
Authority
GB
United Kingdom
Prior art keywords
modulator cell
sample modulator
sample
cell
modulator
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.)
Granted
Application number
GB848427545A
Other versions
GB2149107B (en
GB2149107A (en
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.)
Varian Medical Systems Inc
Original Assignee
Varian Associates Inc
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 Varian Associates Inc filed Critical Varian Associates Inc
Publication of GB8427545D0 publication Critical patent/GB8427545D0/en
Publication of GB2149107A publication Critical patent/GB2149107A/en
Application granted granted Critical
Publication of GB2149107B publication Critical patent/GB2149107B/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
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/38—Flow patterns
    • 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
    • G01N2030/621—Detectors specially adapted therefor signal-to-noise ratio
    • G01N2030/623—Detectors specially adapted therefor signal-to-noise ratio by modulation of sample feed or detector response
    • 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
    • G01N2030/645—Electrical detectors electrical conductivity detectors
GB08427545A 1983-11-04 1984-10-31 Sample modulator cell for gas chromatography Expired GB2149107B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54881683A 1983-11-04 1983-11-04

Publications (3)

Publication Number Publication Date
GB8427545D0 true GB8427545D0 (en) 1984-12-05
GB2149107A GB2149107A (en) 1985-06-05
GB2149107B GB2149107B (en) 1988-02-03

Family

ID=24190508

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08427545A Expired GB2149107B (en) 1983-11-04 1984-10-31 Sample modulator cell for gas chromatography

Country Status (4)

Country Link
JP (1) JPS60102558A (en)
DE (1) DE3438935A1 (en)
GB (1) GB2149107B (en)
IT (1) IT1178600B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0330601U (en) * 1989-08-04 1991-03-26

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2553756C2 (en) * 1975-11-29 1977-12-08 Thyssen AG vorm. August Thyssen-Hütte, 4100 Duisburg Use of continuous furnace gas analysis for monitoring and regulating the blast furnace passage and device for this
US4254654A (en) * 1976-10-07 1981-03-10 Hewlett-Packard Company Modulated fluid detector
US4185490A (en) * 1978-10-06 1980-01-29 Hewlett-Packard Company Phase discrimination in modulated thermal conductivity detector

Also Published As

Publication number Publication date
IT8423410A1 (en) 1986-05-01
GB2149107B (en) 1988-02-03
GB2149107A (en) 1985-06-05
DE3438935A1 (en) 1985-05-15
IT8423410A0 (en) 1984-10-31
JPS60102558A (en) 1985-06-06
IT1178600B (en) 1987-09-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee