JPS53149088A - Optical absorption measuring system - Google Patents

Optical absorption measuring system

Info

Publication number
JPS53149088A
JPS53149088A JP6328477A JP6328477A JPS53149088A JP S53149088 A JPS53149088 A JP S53149088A JP 6328477 A JP6328477 A JP 6328477A JP 6328477 A JP6328477 A JP 6328477A JP S53149088 A JPS53149088 A JP S53149088A
Authority
JP
Japan
Prior art keywords
measuring system
optical absorption
absorption measuring
lights
reproducibility
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.)
Pending
Application number
JP6328477A
Other languages
Japanese (ja)
Inventor
Kenichiro Takahashi
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6328477A priority Critical patent/JPS53149088A/en
Publication of JPS53149088A publication Critical patent/JPS53149088A/en
Pending 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
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • 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
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (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)

Abstract

PURPOSE:To eliminate the noise thereby the improve the reproducibility and stability of measured data by modulating the lights from plural light source to have different frequencies, converting the resultant lights into electric signals and by compensating the background.
JP6328477A 1977-06-01 1977-06-01 Optical absorption measuring system Pending JPS53149088A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6328477A JPS53149088A (en) 1977-06-01 1977-06-01 Optical absorption measuring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6328477A JPS53149088A (en) 1977-06-01 1977-06-01 Optical absorption measuring system

Publications (1)

Publication Number Publication Date
JPS53149088A true JPS53149088A (en) 1978-12-26

Family

ID=13224862

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6328477A Pending JPS53149088A (en) 1977-06-01 1977-06-01 Optical absorption measuring system

Country Status (1)

Country Link
JP (1) JPS53149088A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62192632A (en) * 1986-02-15 1987-08-24 カ−ル・ツアイス−スチフツング Microscope photometer
JPH02198340A (en) * 1989-01-27 1990-08-06 Shimadzu Corp Atomic absorption spectrometer
JP2009300356A (en) * 2008-06-17 2009-12-24 Shimadzu Corp Fluorescence measuring instrument

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62192632A (en) * 1986-02-15 1987-08-24 カ−ル・ツアイス−スチフツング Microscope photometer
JPH02198340A (en) * 1989-01-27 1990-08-06 Shimadzu Corp Atomic absorption spectrometer
JP2009300356A (en) * 2008-06-17 2009-12-24 Shimadzu Corp Fluorescence measuring instrument

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