GB2149107B - Sample modulator cell for gas chromatography - Google Patents
Sample modulator cell for gas chromatographyInfo
- Publication number
- GB2149107B GB2149107B GB08427545A GB8427545A GB2149107B GB 2149107 B GB2149107 B GB 2149107B GB 08427545 A GB08427545 A GB 08427545A GB 8427545 A GB8427545 A GB 8427545A GB 2149107 B GB2149107 B GB 2149107B
- Authority
- GB
- United Kingdom
- Prior art keywords
- gas chromatography
- modulator cell
- sample modulator
- sample
- cell
- 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
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
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)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Spectrometry And Color Measurement (AREA)
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 GB8427545D0 (en) | 1984-12-05 |
GB2149107A GB2149107A (en) | 1985-06-05 |
GB2149107B true 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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0330601U (en) * | 1989-08-04 | 1991-03-26 |
Family Cites Families (3)
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 |
-
1984
- 1984-10-19 JP JP59218731A patent/JPS60102558A/en active Pending
- 1984-10-24 DE DE3438935A patent/DE3438935A1/en not_active Withdrawn
- 1984-10-31 GB GB08427545A patent/GB2149107B/en not_active Expired
- 1984-10-31 IT IT23410/84A patent/IT1178600B/en active
Also Published As
Publication number | Publication date |
---|---|
IT1178600B (en) | 1987-09-09 |
IT8423410A0 (en) | 1984-10-31 |
IT8423410A1 (en) | 1986-05-01 |
JPS60102558A (en) | 1985-06-06 |
DE3438935A1 (en) | 1985-05-15 |
GB8427545D0 (en) | 1984-12-05 |
GB2149107A (en) | 1985-06-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |