DE3583538D1 - Verfahren zum vermindern von stoerenden geraeuschen in einen fluessigkeitschromatographen. - Google Patents

Verfahren zum vermindern von stoerenden geraeuschen in einen fluessigkeitschromatographen.

Info

Publication number
DE3583538D1
DE3583538D1 DE8585106717T DE3583538T DE3583538D1 DE 3583538 D1 DE3583538 D1 DE 3583538D1 DE 8585106717 T DE8585106717 T DE 8585106717T DE 3583538 T DE3583538 T DE 3583538T DE 3583538 D1 DE3583538 D1 DE 3583538D1
Authority
DE
Germany
Prior art keywords
liquid chromatograph
interfering noise
reducing interfering
reducing
noise
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 - Lifetime
Application number
DE8585106717T
Other languages
English (en)
Inventor
Robert William Allington
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.)
Teledyne Isco Inc
Original Assignee
Isco 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 Isco Inc filed Critical Isco Inc
Application granted granted Critical
Publication of DE3583538D1 publication Critical patent/DE3583538D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/251—Colorimeters; Construction thereof
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
    • 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
    • G01N30/74—Optical detectors
    • 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
    • G01N30/28—Control of physical parameters of the fluid carrier
    • G01N30/30—Control of physical parameters of the fluid carrier of temperature
    • G01N2030/3038—Control of physical parameters of the fluid carrier of temperature temperature control of column exit, e.g. of restrictors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/02—Mechanical
    • G01N2201/023—Controlling conditions in casing
    • G01N2201/0231—Thermostating

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)
  • Spectroscopy & Molecular Physics (AREA)
  • Optical Measuring Cells (AREA)
DE8585106717T 1984-06-06 1985-05-31 Verfahren zum vermindern von stoerenden geraeuschen in einen fluessigkeitschromatographen. Expired - Lifetime DE3583538D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/617,700 US4659934A (en) 1983-08-31 1984-06-06 Method and apparatus for reducing Schlieren noise in a liquid chromatograph

Publications (1)

Publication Number Publication Date
DE3583538D1 true DE3583538D1 (de) 1991-08-29

Family

ID=24474676

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585106717T Expired - Lifetime DE3583538D1 (de) 1984-06-06 1985-05-31 Verfahren zum vermindern von stoerenden geraeuschen in einen fluessigkeitschromatographen.

Country Status (3)

Country Link
US (1) US4659934A (de)
EP (1) EP0164080B1 (de)
DE (1) DE3583538D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0312490A (ja) * 1989-06-09 1991-01-21 Canon Inc 強誘電性カイラルスメクチック液晶組成物およびこれを含む液晶素子
US5523563A (en) * 1994-08-12 1996-06-04 E. I. Du Pont De Nemours And Company Apparatus for controlling the temperature of a near-infrared analyzer
DE60035984T2 (de) 2000-06-27 2007-11-29 Agilent Technologies, Inc. (n.d.Ges.d. Staates Delaware), Santa Clara Verfahren zur Verringerung des Einflusses schwankender Umgebungsbedingungen auf ein Messgerät und dieses Verfahren verwendendes Messgerät
US7345758B2 (en) * 2001-05-17 2008-03-18 Cytopeia Apparatus for analyzing and sorting biological particles

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1277812A (fr) * 1961-01-18 1961-12-01 Atomic Energy Authority Uk Appareil de chromatographie de gaz-liquide ou de gaz-solide
US4131427A (en) * 1977-02-10 1978-12-26 Stewart Karp Chromatography detector
US4238327A (en) * 1979-06-25 1980-12-09 Liburdy Robert P Electric resonance chromatography
DE3472591D1 (en) * 1983-08-31 1988-08-11 Isco Inc Method and apparatus for reducing schlieren noise in a liquid chromatograph

Also Published As

Publication number Publication date
EP0164080B1 (de) 1991-07-24
US4659934A (en) 1987-04-21
EP0164080A2 (de) 1985-12-11
EP0164080A3 (en) 1988-12-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8128 New person/name/address of the agent

Representative=s name: STOLBERG-WERNIGERODE, GRAF ZU, U., DIPL.-CHEM. DR.

8339 Ceased/non-payment of the annual fee