FR2434386A1 - Appareil et procede permettant de determiner la concentration d'un constituant dans un echantillon - Google Patents

Appareil et procede permettant de determiner la concentration d'un constituant dans un echantillon

Info

Publication number
FR2434386A1
FR2434386A1 FR7920666A FR7920666A FR2434386A1 FR 2434386 A1 FR2434386 A1 FR 2434386A1 FR 7920666 A FR7920666 A FR 7920666A FR 7920666 A FR7920666 A FR 7920666A FR 2434386 A1 FR2434386 A1 FR 2434386A1
Authority
FR
France
Prior art keywords
transmission
constituent
chromatographic
traces
measurement
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
FR7920666A
Other languages
English (en)
French (fr)
Other versions
FR2434386B1 (enExample
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.)
Bayer Corp
Original Assignee
Technicon Instruments Corp
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 Technicon Instruments Corp filed Critical Technicon Instruments Corp
Publication of FR2434386A1 publication Critical patent/FR2434386A1/fr
Application granted granted Critical
Publication of FR2434386B1 publication Critical patent/FR2434386B1/fr
Granted 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
    • G01N30/74—Optical detectors
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/532—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke with measurement of scattering and transmission

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
FR7920666A 1978-08-21 1979-08-14 Appareil et procede permettant de determiner la concentration d'un constituant dans un echantillon Granted FR2434386A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/935,411 US4199260A (en) 1978-08-21 1978-08-21 Apparatus and method for determining the concentration in a sample

Publications (2)

Publication Number Publication Date
FR2434386A1 true FR2434386A1 (fr) 1980-03-21
FR2434386B1 FR2434386B1 (enExample) 1983-07-22

Family

ID=25467077

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7920666A Granted FR2434386A1 (fr) 1978-08-21 1979-08-14 Appareil et procede permettant de determiner la concentration d'un constituant dans un echantillon

Country Status (11)

Country Link
US (1) US4199260A (enExample)
JP (1) JPS5551338A (enExample)
AU (1) AU519157B2 (enExample)
BE (1) BE878244A (enExample)
CA (1) CA1115546A (enExample)
DE (1) DE2933301A1 (enExample)
FR (1) FR2434386A1 (enExample)
GB (1) GB2028495B (enExample)
IT (1) IT1121022B (enExample)
NL (1) NL7904689A (enExample)
SE (1) SE439544B (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4375163A (en) * 1981-01-08 1983-03-01 Varian Associates, Inc. Method and apparatus for on-column detection in liquid chromatography
JPS6070387A (ja) * 1983-09-28 1985-04-22 Hitachi Ltd 電子線露光装置における電子ビ−ムの寸法計測装置
JPS60113151A (ja) * 1983-11-24 1985-06-19 Sekisui Chem Co Ltd 高感度液体クロマトグラフィ−分析法
JPS62184483U (enExample) * 1986-05-13 1987-11-24
US4935346A (en) 1986-08-13 1990-06-19 Lifescan, Inc. Minimum procedure system for the determination of analytes
US4795262A (en) * 1987-07-29 1989-01-03 The Regents Of The Univerity Of Michigan Liquid chromatography absorbance detector
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
US5281256A (en) * 1990-09-28 1994-01-25 Regents Of The University Of Michigan Gas chromatography system with column bifurcation and tunable selectivity
US5235409A (en) * 1991-08-13 1993-08-10 Varian Associates, Inc. Optical detection system for capillary separation columns
US5288310A (en) * 1992-09-30 1994-02-22 The Regents Of The University Of Michigan Adsorbent trap for gas chromatography
US5641893A (en) * 1996-02-22 1997-06-24 University Of Kentucky Research Foundation Chromatographic separation apparatus
US6458326B1 (en) 1999-11-24 2002-10-01 Home Diagnostics, Inc. Protective test strip platform
US6562625B2 (en) 2001-02-28 2003-05-13 Home Diagnostics, Inc. Distinguishing test types through spectral analysis
US6541266B2 (en) 2001-02-28 2003-04-01 Home Diagnostics, Inc. Method for determining concentration of an analyte in a test strip
US6525330B2 (en) 2001-02-28 2003-02-25 Home Diagnostics, Inc. Method of strip insertion detection
US20080237142A1 (en) * 2007-04-02 2008-10-02 Battelle Energy Alliance, Llc Systems and methods for concentrating substances in fluid samples

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1760209A (en) * 1928-07-06 1930-05-27 Zeiss Carl Fa Refractometer for liquids
US2873644A (en) * 1955-02-08 1959-02-17 American Instr Co Inc Optical system for the measurement of turbidity
US3358148A (en) * 1963-01-29 1967-12-12 Exxon Research Engineering Co Haze measuring apparatus with solid block with cavity
US3450886A (en) * 1967-10-26 1969-06-17 Westvaco Corp Apparatus and method for measuring the concentration of a suspension including compensating for color by using the measurement of scattered light to electronically influence the value of direct light measured
US3510666A (en) * 1967-05-05 1970-05-05 Bowser Inc Turbidity meter having calibrating light source
FR2107511A5 (enExample) * 1970-09-12 1972-05-05 Siemens Ag
FR2148030A1 (enExample) * 1971-08-02 1973-03-11 Metrawatt Gmbh
US3790279A (en) * 1971-09-28 1974-02-05 Environment One Corp Oil contamination monitor with digital signal processing

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE737392C (de) * 1933-04-25 1943-07-12 Hans Richter Dr Verfahren und Vorrichtung zum Nachweis von Truebungen
US3492396A (en) * 1967-03-13 1970-01-27 Becton Dickinson Co Agglutinate separation method and apparatus
DE2047952C3 (de) * 1970-09-30 1973-10-18 Fa. Carl Zeiss, 7920 Heidenheim Verfahren zur photometrischen Auswertung der sich bei der Auftrennung von Substanz gemischen in dünnen Schichten aus licht streuendem Material ergebenden Zonen
DE2139427A1 (de) * 1971-08-06 1973-02-15 Metrawatt Gmbh Vorrichtung zur fotometrischen messung
US4042304A (en) * 1972-11-06 1977-08-16 Gow-Mac Instruments, Inc. Christiansen effect detector
DE2310651A1 (de) * 1973-03-01 1974-09-12 Herbert Knauer & Co Gmbh Kg Dr Kombiniertes brechungsindexabsorptions-messgeraet fuer fluessigkeiten
US3975104A (en) * 1974-07-22 1976-08-17 Varian Associates Convergent light illuminated flow cell for liquid chromatography
SE387172B (sv) * 1974-08-28 1976-08-30 Svenska Traeforskningsinst Anordning for metning av halten i en strommande vetska befintliga suspenderade emnen
DE2528912A1 (de) * 1975-06-28 1977-01-20 Yamatake Honeywell Co Ltd Vorrichtung zum messen der konzentration einer trueben loesung
GB1556029A (en) * 1976-10-29 1979-11-14 Standard Telephones Cables Ltd Oil in water detection
DE2711555A1 (de) * 1977-03-17 1978-09-21 Bbc Brown Boveri & Cie Optoelektronisches truebungsmessgeraet

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1760209A (en) * 1928-07-06 1930-05-27 Zeiss Carl Fa Refractometer for liquids
US2873644A (en) * 1955-02-08 1959-02-17 American Instr Co Inc Optical system for the measurement of turbidity
US3358148A (en) * 1963-01-29 1967-12-12 Exxon Research Engineering Co Haze measuring apparatus with solid block with cavity
US3510666A (en) * 1967-05-05 1970-05-05 Bowser Inc Turbidity meter having calibrating light source
US3450886A (en) * 1967-10-26 1969-06-17 Westvaco Corp Apparatus and method for measuring the concentration of a suspension including compensating for color by using the measurement of scattered light to electronically influence the value of direct light measured
FR2107511A5 (enExample) * 1970-09-12 1972-05-05 Siemens Ag
FR2148030A1 (enExample) * 1971-08-02 1973-03-11 Metrawatt Gmbh
US3790279A (en) * 1971-09-28 1974-02-05 Environment One Corp Oil contamination monitor with digital signal processing

Also Published As

Publication number Publication date
IT1121022B (it) 1986-03-26
JPS6337339B2 (enExample) 1988-07-25
NL7904689A (nl) 1980-02-25
AU519157B2 (en) 1981-11-12
SE439544B (sv) 1985-06-17
GB2028495B (en) 1983-03-23
SE7904930L (sv) 1980-02-22
CA1115546A (en) 1982-01-05
AU4923179A (en) 1980-02-28
BE878244A (fr) 1980-02-14
US4199260A (en) 1980-04-22
JPS5551338A (en) 1980-04-15
FR2434386B1 (enExample) 1983-07-22
GB2028495A (en) 1980-03-05
DE2933301A1 (de) 1980-03-06
IT7968578A0 (it) 1979-07-27

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse