FR1439793A - Device allowing colorimetric measurements on liquid or solid samples - Google Patents

Device allowing colorimetric measurements on liquid or solid samples

Info

Publication number
FR1439793A
FR1439793A FR21061A FR13021061A FR1439793A FR 1439793 A FR1439793 A FR 1439793A FR 21061 A FR21061 A FR 21061A FR 13021061 A FR13021061 A FR 13021061A FR 1439793 A FR1439793 A FR 1439793A
Authority
FR
France
Prior art keywords
liquid
device allowing
solid samples
colorimetric measurements
allowing colorimetric
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
FR21061A
Other languages
French (fr)
Inventor
Frederic Guigues
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
Priority to FR21061A priority Critical patent/FR1439793A/en
Application granted granted Critical
Publication of FR1439793A publication Critical patent/FR1439793A/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
    • G01N21/31—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

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)
FR21061A 1965-07-15 1965-07-15 Device allowing colorimetric measurements on liquid or solid samples Expired FR1439793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR21061A FR1439793A (en) 1965-07-15 1965-07-15 Device allowing colorimetric measurements on liquid or solid samples

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR21061A FR1439793A (en) 1965-07-15 1965-07-15 Device allowing colorimetric measurements on liquid or solid samples

Publications (1)

Publication Number Publication Date
FR1439793A true FR1439793A (en) 1966-05-20

Family

ID=8582233

Family Applications (1)

Application Number Title Priority Date Filing Date
FR21061A Expired FR1439793A (en) 1965-07-15 1965-07-15 Device allowing colorimetric measurements on liquid or solid samples

Country Status (1)

Country Link
FR (1) FR1439793A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4193694A (en) * 1978-07-03 1980-03-18 Smith Charles R Photosensitive color monitoring device and method of measurement of concentration of a colored component in a fluid
FR2485054A1 (en) * 1980-06-18 1981-12-24 Labo Electronique Physique METHOD FOR DETECTING THE DETECTION DURING A WASHING OPERATION IN A WASHING MACHINE AND CARRYING OUT SAID METHOD
CN111665204A (en) * 2019-03-08 2020-09-15 天津大学 Water body nitrogen and phosphorus element content analysis based on photoelectric characteristics of photoresistor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4193694A (en) * 1978-07-03 1980-03-18 Smith Charles R Photosensitive color monitoring device and method of measurement of concentration of a colored component in a fluid
FR2485054A1 (en) * 1980-06-18 1981-12-24 Labo Electronique Physique METHOD FOR DETECTING THE DETECTION DURING A WASHING OPERATION IN A WASHING MACHINE AND CARRYING OUT SAID METHOD
CN111665204A (en) * 2019-03-08 2020-09-15 天津大学 Water body nitrogen and phosphorus element content analysis based on photoelectric characteristics of photoresistor

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