GB2251939B - Portable spectrophotometer for on site study of the absorption spectrum of a substance - Google Patents

Portable spectrophotometer for on site study of the absorption spectrum of a substance

Info

Publication number
GB2251939B
GB2251939B GB9200735A GB9200735A GB2251939B GB 2251939 B GB2251939 B GB 2251939B GB 9200735 A GB9200735 A GB 9200735A GB 9200735 A GB9200735 A GB 9200735A GB 2251939 B GB2251939 B GB 2251939B
Authority
GB
United Kingdom
Prior art keywords
substance
absorption spectrum
portable spectrophotometer
site study
study
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 - Fee Related
Application number
GB9200735A
Other versions
GB2251939A (en
GB9200735D0 (en
Inventor
Daniel Constant
Jean-Marc Rigal
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.)
Secomam SAS
Original Assignee
Secomam SAS
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 Secomam SAS filed Critical Secomam SAS
Publication of GB9200735D0 publication Critical patent/GB9200735D0/en
Publication of GB2251939A publication Critical patent/GB2251939A/en
Application granted granted Critical
Publication of GB2251939B publication Critical patent/GB2251939B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/30—Measuring the intensity of spectral lines directly on the spectrum itself
    • G01J3/36—Investigating two or more bands of a spectrum by separate detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/04—Slit arrangements slit adjustment
    • G01J2003/047—Configuration of two or more entry or exit slits for predetermined delta-lambda
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12—Generating the spectrum; Monochromators
    • G01J3/18—Generating the spectrum; Monochromators using diffraction elements, e.g. grating
    • G01J2003/1842—Types of grating
    • G01J2003/1861—Transmission gratings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/2803—Investigating the spectrum using photoelectric array detector
GB9200735A 1991-01-17 1992-01-14 Portable spectrophotometer for on site study of the absorption spectrum of a substance Expired - Fee Related GB2251939B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9100481A FR2671872B1 (en) 1991-01-17 1991-01-17 PORTABLE SPECTROPHOTOMETER FOR THE IN SITU STUDY OF THE ABSORPTION SPECTRUM OF A SUBSTANCE.

Publications (3)

Publication Number Publication Date
GB9200735D0 GB9200735D0 (en) 1992-03-11
GB2251939A GB2251939A (en) 1992-07-22
GB2251939B true GB2251939B (en) 1994-08-10

Family

ID=9408765

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9200735A Expired - Fee Related GB2251939B (en) 1991-01-17 1992-01-14 Portable spectrophotometer for on site study of the absorption spectrum of a substance

Country Status (4)

Country Link
DE (1) DE4201024A1 (en)
FR (1) FR2671872B1 (en)
GB (1) GB2251939B (en)
IT (1) IT1259741B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2719903B1 (en) * 1994-05-11 1996-07-19 Secomam Sa Method and device for analyzing the composition of a liquid using a spectrophotometer with multiple detection ranges.
DE19509157C2 (en) * 1995-03-14 1997-05-15 Meinrad Maechler Optical system with large measuring ranges
FR2736434B1 (en) * 1995-07-07 1997-09-12 Secomam Sa PORTABLE AND SELF-CONTAINED SPECTROPHOTOMETER FOR SPECTRAL ULTRAVIOLET ANALYSIS OF LIQUID SAMPLES
DE19545178B4 (en) * 1995-12-04 2008-04-10 Berthold Gmbh & Co. Kg spectral detector
FI117808B (en) 2004-09-14 2007-02-28 Vaisala Oyj Apparatus and method for measuring gas content
FR2943786B1 (en) * 2009-03-31 2012-09-21 Francois Melet DEVICE FOR ANALYZING A BLOOD SAMPLE.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB579833A (en) * 1943-11-18 1946-08-16 Edwin De Witt Coleman Spectrophotometer
EP0195339A2 (en) * 1985-03-21 1986-09-24 Abbott Laboratories Spectrophotometer
GB2212909A (en) * 1987-11-27 1989-08-02 Outokumpu Oy Measuring sensor for a portable analyzer
US4896963A (en) * 1987-12-02 1990-01-30 Olympus Optical Co., Ltd. Automatic analyzer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1392379A (en) * 1972-08-17 1975-04-30 Rank Organisation Ltd Analytical apparatus
US4097152A (en) * 1976-08-25 1978-06-27 Kollmorgen Corporation Spectrophotometer with visual spectrum display
JPS5941534B2 (en) * 1978-09-29 1984-10-08 株式会社島津製作所 Emission spectrometer
JPS6111622A (en) * 1984-06-27 1986-01-20 Hitachi Ltd Spectrophotometer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB579833A (en) * 1943-11-18 1946-08-16 Edwin De Witt Coleman Spectrophotometer
EP0195339A2 (en) * 1985-03-21 1986-09-24 Abbott Laboratories Spectrophotometer
GB2212909A (en) * 1987-11-27 1989-08-02 Outokumpu Oy Measuring sensor for a portable analyzer
US4896963A (en) * 1987-12-02 1990-01-30 Olympus Optical Co., Ltd. Automatic analyzer

Also Published As

Publication number Publication date
GB2251939A (en) 1992-07-22
ITUD920002A1 (en) 1993-07-10
DE4201024A1 (en) 1992-07-23
ITUD920002A0 (en) 1992-01-10
GB9200735D0 (en) 1992-03-11
FR2671872B1 (en) 1993-04-02
FR2671872A1 (en) 1992-07-24
IT1259741B (en) 1996-03-26

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Legal Events

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

Effective date: 20000114