FR855882A - Colorimeter - Google Patents

Colorimeter

Info

Publication number
FR855882A
FR855882A FR855882DA FR855882A FR 855882 A FR855882 A FR 855882A FR 855882D A FR855882D A FR 855882DA FR 855882 A FR855882 A FR 855882A
Authority
FR
France
Prior art keywords
colorimeter
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
Other languages
French (fr)
Inventor
Jacques Forest
Paul Detry
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 filed Critical
Application granted granted Critical
Publication of FR855882A publication Critical patent/FR855882A/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
    • G01N21/251—Colorimeters; Construction thereof

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)
FR855882D 1939-02-08 1939-02-08 Colorimeter Expired FR855882A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR855882T 1939-02-08

Publications (1)

Publication Number Publication Date
FR855882A true FR855882A (en) 1940-05-22

Family

ID=9328532

Family Applications (1)

Application Number Title Priority Date Filing Date
FR855882D Expired FR855882A (en) 1939-02-08 1939-02-08 Colorimeter

Country Status (1)

Country Link
FR (1) FR855882A (en)

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