FR2297415A1 - Appareil destine au dosage chimique par colorimetrie, opacimetrie ou nephelemetrie - Google Patents

Appareil destine au dosage chimique par colorimetrie, opacimetrie ou nephelemetrie

Info

Publication number
FR2297415A1
FR2297415A1 FR7501197A FR7501197A FR2297415A1 FR 2297415 A1 FR2297415 A1 FR 2297415A1 FR 7501197 A FR7501197 A FR 7501197A FR 7501197 A FR7501197 A FR 7501197A FR 2297415 A1 FR2297415 A1 FR 2297415A1
Authority
FR
France
Prior art keywords
liquid
liq
chemical dosing
control
light passing
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.)
Granted
Application number
FR7501197A
Other languages
English (en)
Other versions
FR2297415B1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7501197A priority Critical patent/FR2297415A1/fr
Publication of FR2297415A1 publication Critical patent/FR2297415A1/fr
Application granted granted Critical
Publication of FR2297415B1 publication Critical patent/FR2297415B1/fr
Granted 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G01N21/8507—Probe photometers, i.e. with optical measuring part dipped into fluid sample
    • 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)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR7501197A 1975-01-08 1975-01-08 Appareil destine au dosage chimique par colorimetrie, opacimetrie ou nephelemetrie Granted FR2297415A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7501197A FR2297415A1 (fr) 1975-01-08 1975-01-08 Appareil destine au dosage chimique par colorimetrie, opacimetrie ou nephelemetrie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7501197A FR2297415A1 (fr) 1975-01-08 1975-01-08 Appareil destine au dosage chimique par colorimetrie, opacimetrie ou nephelemetrie

Publications (2)

Publication Number Publication Date
FR2297415A1 true FR2297415A1 (fr) 1976-08-06
FR2297415B1 FR2297415B1 (fr) 1978-02-03

Family

ID=9149852

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7501197A Granted FR2297415A1 (fr) 1975-01-08 1975-01-08 Appareil destine au dosage chimique par colorimetrie, opacimetrie ou nephelemetrie

Country Status (1)

Country Link
FR (1) FR2297415A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448145A2 (fr) * 1979-02-05 1980-08-29 Oreal Appareil destine a reperer la quantite de sebum secretee par une peau
EP0144929A2 (fr) * 1983-12-08 1985-06-19 Hoechst Aktiengesellschaft Tête de mesure photométrique

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2321278A1 (de) * 1972-04-29 1973-11-15 Pratesi Kolorimeter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2321278A1 (de) * 1972-04-29 1973-11-15 Pratesi Kolorimeter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448145A2 (fr) * 1979-02-05 1980-08-29 Oreal Appareil destine a reperer la quantite de sebum secretee par une peau
EP0144929A2 (fr) * 1983-12-08 1985-06-19 Hoechst Aktiengesellschaft Tête de mesure photométrique
EP0144929A3 (fr) * 1983-12-08 1986-01-15 Hoechst Aktiengesellschaft Tête de mesure photométrique

Also Published As

Publication number Publication date
FR2297415B1 (fr) 1978-02-03

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FR2297415A1 (fr) Appareil destine au dosage chimique par colorimetrie, opacimetrie ou nephelemetrie
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Legal Events

Date Code Title Description
ST Notification of lapse