FR1229304A - Improvements to colorimetric devices - Google Patents

Improvements to colorimetric devices

Info

Publication number
FR1229304A
FR1229304A FR799241A FR799241A FR1229304A FR 1229304 A FR1229304 A FR 1229304A FR 799241 A FR799241 A FR 799241A FR 799241 A FR799241 A FR 799241A FR 1229304 A FR1229304 A FR 1229304A
Authority
FR
France
Prior art keywords
colorimetric devices
colorimetric
devices
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
FR799241A
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.)
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
Application granted granted Critical
Publication of FR1229304A publication Critical patent/FR1229304A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (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)
FR799241A 1958-07-10 1959-07-03 Improvements to colorimetric devices Expired FR1229304A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1229304XA 1958-07-10 1958-07-10

Publications (1)

Publication Number Publication Date
FR1229304A true FR1229304A (en) 1960-09-06

Family

ID=22405706

Family Applications (1)

Application Number Title Priority Date Filing Date
FR799241A Expired FR1229304A (en) 1958-07-10 1959-07-03 Improvements to colorimetric devices

Country Status (1)

Country Link
FR (1) FR1229304A (en)

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