FR1478204A - Measurement of radiation absorption by a substance - Google Patents

Measurement of radiation absorption by a substance

Info

Publication number
FR1478204A
FR1478204A FR60020A FR60020A FR1478204A FR 1478204 A FR1478204 A FR 1478204A FR 60020 A FR60020 A FR 60020A FR 60020 A FR60020 A FR 60020A FR 1478204 A FR1478204 A FR 1478204A
Authority
FR
France
Prior art keywords
substance
measurement
radiation absorption
radiation
absorption
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
FR60020A
Other languages
French (fr)
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.)
Vickers Ltd
Original Assignee
Vickers 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
Priority claimed from GB18606/65A external-priority patent/GB1087990A/en
Application filed by Vickers Ltd filed Critical Vickers Ltd
Priority to FR60020A priority Critical patent/FR1478204A/en
Application granted granted Critical
Publication of FR1478204A publication Critical patent/FR1478204A/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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G01N21/274—Calibration, base line adjustment, drift correction
    • G01N21/276—Calibration, base line adjustment, drift correction with alternation of sample and standard in optical path
    • 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
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/28—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source
    • G01J1/30—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation 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
    • G01N21/25—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)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
FR60020A 1965-05-03 1966-05-03 Measurement of radiation absorption by a substance Expired FR1478204A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR60020A FR1478204A (en) 1965-05-03 1966-05-03 Measurement of radiation absorption by a substance

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB18606/65A GB1087990A (en) 1965-05-03 1965-05-03 Measurement of absorption by a substance of radiation
FR60020A FR1478204A (en) 1965-05-03 1966-05-03 Measurement of radiation absorption by a substance

Publications (1)

Publication Number Publication Date
FR1478204A true FR1478204A (en) 1967-04-21

Family

ID=26170401

Family Applications (1)

Application Number Title Priority Date Filing Date
FR60020A Expired FR1478204A (en) 1965-05-03 1966-05-03 Measurement of radiation absorption by a substance

Country Status (1)

Country Link
FR (1) FR1478204A (en)

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