FR2219724A6 - - Google Patents

Info

Publication number
FR2219724A6
FR2219724A6 FR7307118A FR7307118A FR2219724A6 FR 2219724 A6 FR2219724 A6 FR 2219724A6 FR 7307118 A FR7307118 A FR 7307118A FR 7307118 A FR7307118 A FR 7307118A FR 2219724 A6 FR2219724 A6 FR 2219724A6
Authority
FR
France
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
FR7307118A
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.)
Societe dOptique Precision Electronique et Mecanique SOPELEM SA
Original Assignee
Societe dOptique Precision Electronique et Mecanique SOPELEM SA
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 Societe dOptique Precision Electronique et Mecanique SOPELEM SA filed Critical Societe dOptique Precision Electronique et Mecanique SOPELEM SA
Priority to FR7307118A priority Critical patent/FR2219724A6/fr
Priority to ES421842A priority patent/ES421842A2/es
Priority to IT70932/73A priority patent/IT1046012B/it
Priority to NLAANVRAGE7400281,A priority patent/NL174762C/xx
Priority to US434698A priority patent/US3923401A/en
Priority to DE2404586A priority patent/DE2404586C3/de
Priority to GB918574A priority patent/GB1451990A/en
Application granted granted Critical
Publication of FR2219724A6 publication Critical patent/FR2219724A6/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle

Landscapes

  • Physics & Mathematics (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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Measuring Cells (AREA)
FR7307118A 1973-02-28 1973-02-28 Expired FR2219724A6 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR7307118A FR2219724A6 (fr) 1973-02-28 1973-02-28
ES421842A ES421842A2 (es) 1973-02-28 1973-12-28 Dispositivo de medicion y de senalizacion de la concentra- cion de una solucion.
IT70932/73A IT1046012B (it) 1973-02-28 1973-12-31 Dispositivo di misura e di identificazione della concentrazione di una soluzione
NLAANVRAGE7400281,A NL174762C (nl) 1973-02-28 1974-01-09 Inrichting voor het meten van de concentratie van een oplossing.
US434698A US3923401A (en) 1973-02-28 1974-01-18 Solution concentration responsive apparatus
DE2404586A DE2404586C3 (de) 1973-02-28 1974-01-31 Vorrichtung zur Messung und Überwachung der Konzentration einer Lösung
GB918574A GB1451990A (en) 1973-02-28 1974-02-28 Apparatus producing an electrical signal related to the concentration of a solution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7307118A FR2219724A6 (fr) 1973-02-28 1973-02-28

Publications (1)

Publication Number Publication Date
FR2219724A6 true FR2219724A6 (fr) 1974-09-20

Family

ID=9115545

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7307118A Expired FR2219724A6 (fr) 1973-02-28 1973-02-28

Country Status (7)

Country Link
US (1) US3923401A (fr)
DE (1) DE2404586C3 (fr)
ES (1) ES421842A2 (fr)
FR (1) FR2219724A6 (fr)
GB (1) GB1451990A (fr)
IT (1) IT1046012B (fr)
NL (1) NL174762C (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188116A (en) * 1978-02-21 1980-02-12 American Optical Corporation Abbe refractometer
IN152268B (fr) * 1979-06-26 1983-12-03 Foss Electric As N
IT1136316B (it) * 1980-05-21 1986-08-27 Metro Matic Sas Di Poletti R & Dispositivo di rilevamento del segnale ottico fornito da un rifrattometro
DE3109224C2 (de) * 1981-03-05 1986-09-18 Auergesellschaft Gmbh, 1000 Berlin Schaltungsanordnung zum Nachweis von Gasanteilen in einer zu überwachenden Gasatmosphäre
JPS57190251A (en) * 1981-05-19 1982-11-22 Horiba Ltd Absorbance system analyzer
FR2536537A1 (fr) * 1982-11-22 1984-05-25 Alexandre Laugier Procede et refractometre pour mesurer l'indice de refraction d'un liquide et application a la mesure du titre alcoometrique en puissance d'un mout
FI68185C (fi) * 1983-03-01 1985-08-12 Waertsilae Oy Ab Foerfarande och anordning foer laegesobservering
US4834104A (en) * 1985-08-01 1989-05-30 C. R. Bard, Inc. Method and apparatus for measuring specific gravity of a flowing liquid
JPS6251038A (ja) * 1985-08-30 1987-03-05 Canon Inc 光学的情報記録再生装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2933974A (en) * 1957-01-24 1960-04-26 Phillips Petroleum Co Differential refractometer
US3751168A (en) * 1971-05-11 1973-08-07 Sopelem Indicating apparatus for the varying concentration of a solution

Also Published As

Publication number Publication date
US3923401A (en) 1975-12-02
DE2404586B2 (de) 1979-05-03
NL174762B (nl) 1984-03-01
NL174762C (nl) 1984-08-01
IT1046012B (it) 1980-06-30
DE2404586A1 (de) 1974-09-12
DE2404586C3 (de) 1979-12-20
NL7400281A (fr) 1974-08-30
ES421842A2 (es) 1976-06-01
GB1451990A (en) 1976-10-06

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