FR2436987A1 - Procede et dispositif de detection d'element d'impurete surnageant a la surface d'une etendue d'eau - Google Patents

Procede et dispositif de detection d'element d'impurete surnageant a la surface d'une etendue d'eau

Info

Publication number
FR2436987A1
FR2436987A1 FR7827374A FR7827374A FR2436987A1 FR 2436987 A1 FR2436987 A1 FR 2436987A1 FR 7827374 A FR7827374 A FR 7827374A FR 7827374 A FR7827374 A FR 7827374A FR 2436987 A1 FR2436987 A1 FR 2436987A1
Authority
FR
France
Prior art keywords
water
surgical
detecting
impurity element
electrodes
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
FR7827374A
Other languages
English (en)
French (fr)
Other versions
FR2436987B1 (OSRAM
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 FR7827374A priority Critical patent/FR2436987A1/fr
Priority to EP79400680A priority patent/EP0010035A1/fr
Publication of FR2436987A1 publication Critical patent/FR2436987A1/fr
Application granted granted Critical
Publication of FR2436987B1 publication Critical patent/FR2436987B1/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
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
FR7827374A 1978-09-25 1978-09-25 Procede et dispositif de detection d'element d'impurete surnageant a la surface d'une etendue d'eau Granted FR2436987A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7827374A FR2436987A1 (fr) 1978-09-25 1978-09-25 Procede et dispositif de detection d'element d'impurete surnageant a la surface d'une etendue d'eau
EP79400680A EP0010035A1 (fr) 1978-09-25 1979-09-25 Procédé et dispositif de détection d'élément d'impureté surnageant à la surface d'une étendue d'eau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7827374A FR2436987A1 (fr) 1978-09-25 1978-09-25 Procede et dispositif de detection d'element d'impurete surnageant a la surface d'une etendue d'eau

Publications (2)

Publication Number Publication Date
FR2436987A1 true FR2436987A1 (fr) 1980-04-18
FR2436987B1 FR2436987B1 (OSRAM) 1982-01-22

Family

ID=9212995

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7827374A Granted FR2436987A1 (fr) 1978-09-25 1978-09-25 Procede et dispositif de detection d'element d'impurete surnageant a la surface d'une etendue d'eau

Country Status (2)

Country Link
EP (1) EP0010035A1 (OSRAM)
FR (1) FR2436987A1 (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3269784D1 (en) * 1981-05-15 1986-04-17 Licentia Gmbh Method for measuring ionic concentrations
US4586033A (en) * 1984-02-13 1986-04-29 Emhart Industries, Inc. Fluid detection system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1399477A (fr) * 1964-06-25 1965-05-14 Dispositif indicateur sensible aux couches d'huile sur l'eau
FR2168374A1 (OSRAM) * 1972-01-17 1973-08-31 Robertshaw Controls Co
US3800219A (en) * 1972-10-10 1974-03-26 T Fosberg Method and apparatus for detecting oil pollution in water
US4058802A (en) * 1976-02-09 1977-11-15 Frank Meyers Contaminating spill detection arrangement

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE813640A (fr) * 1974-04-12 1974-07-31 Detecteur de film d'hydrocarbure pour eaux calmes et agitees.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1399477A (fr) * 1964-06-25 1965-05-14 Dispositif indicateur sensible aux couches d'huile sur l'eau
FR2168374A1 (OSRAM) * 1972-01-17 1973-08-31 Robertshaw Controls Co
US3800219A (en) * 1972-10-10 1974-03-26 T Fosberg Method and apparatus for detecting oil pollution in water
US4058802A (en) * 1976-02-09 1977-11-15 Frank Meyers Contaminating spill detection arrangement

Also Published As

Publication number Publication date
EP0010035A1 (fr) 1980-04-16
FR2436987B1 (OSRAM) 1982-01-22

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Legal Events

Date Code Title Description
ST Notification of lapse