JPS5370891A - Measuring instrument of light absorption - Google Patents

Measuring instrument of light absorption

Info

Publication number
JPS5370891A
JPS5370891A JP14687776A JP14687776A JPS5370891A JP S5370891 A JPS5370891 A JP S5370891A JP 14687776 A JP14687776 A JP 14687776A JP 14687776 A JP14687776 A JP 14687776A JP S5370891 A JPS5370891 A JP S5370891A
Authority
JP
Japan
Prior art keywords
light absorption
measuring instrument
light
light beam
mochromatic
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
JP14687776A
Other languages
Japanese (ja)
Inventor
Masashi Ozeki
Kuninori Kitahara
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP14687776A priority Critical patent/JPS5370891A/en
Publication of JPS5370891A publication Critical patent/JPS5370891A/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
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (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 heighten S/N and to detect weak light absorption, by compounding light beam, divided mochromatic light and transmitted the sample, with the other light beam and observing its intensity.
JP14687776A 1976-12-07 1976-12-07 Measuring instrument of light absorption Pending JPS5370891A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14687776A JPS5370891A (en) 1976-12-07 1976-12-07 Measuring instrument of light absorption

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14687776A JPS5370891A (en) 1976-12-07 1976-12-07 Measuring instrument of light absorption

Publications (1)

Publication Number Publication Date
JPS5370891A true JPS5370891A (en) 1978-06-23

Family

ID=15417578

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14687776A Pending JPS5370891A (en) 1976-12-07 1976-12-07 Measuring instrument of light absorption

Country Status (1)

Country Link
JP (1) JPS5370891A (en)

Similar Documents

Publication Publication Date Title
CA1030362A (en) Opto-electrical measuring apparatus for determining the relative hemoglobin content of an illuminated solution by evaluating its light absorption
JPS5413388A (en) Gas concentration meter of ultrared ray absorption type
JPS5370891A (en) Measuring instrument of light absorption
JPS5421896A (en) No2 densitometer
JPS545778A (en) Gas density analyzer
JPS54685A (en) Simultaneously measurement of florescent x ray and diffracted x ray of minute area
JPS5331188A (en) Measuring method for x-ray stress inside of tube
JPS5381287A (en) Photoluminescence measuring device
JPS51127786A (en) Smoke sensor
JPS53106185A (en) Absorption analyzer
JPS5249077A (en) Smoke concentration measuring device
JPS543582A (en) Double modulating photometric device
JPS537286A (en) Quantitative x-ray fracture analysis
JPS5257873A (en) Photometer
JPS5362546A (en) Measuring method and apparatus of propagation characteristics of optical guide
JPS537391A (en) Measuring apparatus for reflection factor
JPS5251988A (en) Device for measuring refractive index of fluid
JPS51149088A (en) Optical analyzer
JPS53100293A (en) Gas densitometer
JPS5367485A (en) Direct light measuring analytical method used plural
JPS5235689A (en) Reflection measuring device
JPS51131376A (en) Refractive index meter
FR2297415A1 (en) Control of chemical dosing of a liquid - by detecting changes in the light passing through the liquid
JPS52115279A (en) Gas analyzer
JPS52120893A (en) Apparatus for detecting ph3