GB2068539B - Liquid chromatography apparatus - Google Patents

Liquid chromatography apparatus

Info

Publication number
GB2068539B
GB2068539B GB8103589A GB8103589A GB2068539B GB 2068539 B GB2068539 B GB 2068539B GB 8103589 A GB8103589 A GB 8103589A GB 8103589 A GB8103589 A GB 8103589A GB 2068539 B GB2068539 B GB 2068539B
Authority
GB
United Kingdom
Prior art keywords
liquid chromatography
chromatography apparatus
liquid
chromatography
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
GB8103589A
Other versions
GB2068539A (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.)
Waters Associates Inc
Original Assignee
Waters 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
Priority claimed from US06/050,326 external-priority patent/US4284352A/en
Priority claimed from US06/051,812 external-priority patent/US4283140A/en
Priority claimed from US06/051,809 external-priority patent/US4265536A/en
Priority claimed from US06/051,811 external-priority patent/US4286873A/en
Priority claimed from US06/059,292 external-priority patent/US4289975A/en
Application filed by Waters Associates Inc filed Critical Waters Associates Inc
Publication of GB2068539A publication Critical patent/GB2068539A/en
Application granted granted Critical
Publication of GB2068539B publication Critical patent/GB2068539B/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
    • 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
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/4133—Refractometers, e.g. differential
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • 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
GB8103589A 1979-06-20 1980-06-20 Liquid chromatography apparatus Expired GB2068539B (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US06/050,326 US4284352A (en) 1979-06-20 1979-06-20 Heat exchanger for refractometer
US5181079A 1979-06-25 1979-06-25
US06/051,812 US4283140A (en) 1979-06-25 1979-06-25 Spatially homogenizing optical modulator
US06/051,809 US4265536A (en) 1979-06-25 1979-06-25 Electrical zeroing of light beam
US06/051,811 US4286873A (en) 1979-06-25 1979-06-25 Refractometer cell with integral lens
US06/059,292 US4289975A (en) 1979-07-20 1979-07-20 Dissipating electrical charge

Publications (2)

Publication Number Publication Date
GB2068539A GB2068539A (en) 1981-08-12
GB2068539B true GB2068539B (en) 1983-06-22

Family

ID=27556617

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8020276A Expired GB2054842B (en) 1979-06-20 1980-06-20 Liquid chromatography
GB8103589A Expired GB2068539B (en) 1979-06-20 1980-06-20 Liquid chromatography apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8020276A Expired GB2054842B (en) 1979-06-20 1980-06-20 Liquid chromatography

Country Status (4)

Country Link
CA (1) CA1136444A (en)
DE (2) DE3044076A1 (en)
FR (1) FR2459470B1 (en)
GB (2) GB2054842B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3618605A1 (en) * 1986-06-03 1987-12-10 Europ Lab Molekularbiolog DEVICE FOR DETECTING SUBSTANCES INCENTIVELY TO PHOTON EMISSION
EP0438618B1 (en) * 1990-01-24 1996-04-17 Hewlett-Packard GmbH Apparatus for thermostating the mobile phase in a liquid chromatograph
US5238557A (en) * 1990-01-24 1993-08-24 Hewlett Packard Company Apparatus for controlling the temperature of the mobile phase in a fluid chromatograph
JP3574010B2 (en) * 1999-07-23 2004-10-06 昭和電工株式会社 Differential refractive index detector and liquid chromatograph apparatus having the same
DE60035984T2 (en) 2000-06-27 2007-11-29 Agilent Technologies, Inc. (n.d.Ges.d. Staates Delaware), Santa Clara Method for reducing the influence of fluctuating environmental conditions on a measuring device and measuring device using this method
FR3008188B1 (en) * 2013-07-03 2015-08-07 Sedere Sas LIGHT DIFFUSED EVAPORATIVE DETECTOR (DEDL) FOR COUPLING TO A LIQUID OR SUPERCRITICAL CHROMATOGRAPHY COLUMN AND METHOD OF AUTOMATICALLY DYNAMICALLY MANAGING SUCH A DEDL

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649013A (en) * 1950-06-05 1953-08-18 Monsanto Chemicals Apparatus for refractometry
US2885923A (en) * 1954-08-13 1959-05-12 Phillips Petroleum Co Reflection refractometer
US2807976A (en) * 1955-10-11 1957-10-01 Electron Machine Corp Refractometer
US2957386A (en) * 1957-01-28 1960-10-25 Cons Electrodynamics Corp Refractometer
US3386332A (en) * 1964-07-13 1968-06-04 Emmett S. Watson Differential refractometry
US3674373A (en) * 1970-02-02 1972-07-04 Waters Associates Inc Differential refractometer
US3999857A (en) * 1975-05-29 1976-12-28 Monsanto Research Corporation Refractive index detector
CA1074149A (en) * 1976-03-02 1980-03-25 Sadao Sumikama High-sensitivity differential refractometer
DE2755849A1 (en) * 1977-12-15 1979-06-21 Philips Patentverwaltung Continuous measurement of refractive index w.r.t. light wavelength - with uniformly varying wavelength incident on sample material

Also Published As

Publication number Publication date
DE3044076A1 (en) 1982-12-02
DE3023132A1 (en) 1981-02-19
DE3023132C2 (en) 1991-10-31
GB2054842A (en) 1981-02-18
CA1136444A (en) 1982-11-30
FR2459470B1 (en) 1985-06-21
FR2459470A1 (en) 1981-01-09
GB2054842B (en) 1983-11-30
GB2068539A (en) 1981-08-12

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Legal Events

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

Effective date: 19920620