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FR982346A - Refractometer - Google Patents

Refractometer

Info

Publication number
FR982346A
FR982346A FR982346DA FR982346A FR 982346 A FR982346 A FR 982346A FR 982346D A FR982346D A FR 982346DA FR 982346 A FR982346 A FR 982346A
Authority
FR
France
Prior art keywords
refractometer
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
Pierre Rutten
Jean Voisin-Roux
Jean Jullien
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 FR982346A publication Critical patent/FR982346A/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
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/4133—Refractometers, e.g. differential

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)
FR982346D 1949-03-04 1949-03-04 Refractometer Expired FR982346A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR982346T 1949-03-04

Publications (1)

Publication Number Publication Date
FR982346A true FR982346A (en) 1951-06-08

Family

ID=9535282

Family Applications (1)

Application Number Title Priority Date Filing Date
FR982346D Expired FR982346A (en) 1949-03-04 1949-03-04 Refractometer

Country Status (1)

Country Link
FR (1) FR982346A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2966091A (en) * 1955-08-31 1960-12-27 Herbert E Goldberg Industrial refractometers
FR2528332A1 (en) * 1982-06-11 1983-12-16 Giraud Charles Automatic fruit sorting machine - uses automatic handling, sample extraction and optical analysis to grade fruit according to sugar content
FR2530977A1 (en) * 1982-08-02 1984-02-03 Pomona Method and apparatus for testing and automatic sorting of melons and other fruit according to their taste quality
EP0129630A1 (en) * 1983-06-24 1985-01-02 Charles Giraud Device for continuously selecting fruits as to their sugar contents

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2966091A (en) * 1955-08-31 1960-12-27 Herbert E Goldberg Industrial refractometers
FR2528332A1 (en) * 1982-06-11 1983-12-16 Giraud Charles Automatic fruit sorting machine - uses automatic handling, sample extraction and optical analysis to grade fruit according to sugar content
FR2530977A1 (en) * 1982-08-02 1984-02-03 Pomona Method and apparatus for testing and automatic sorting of melons and other fruit according to their taste quality
EP0129630A1 (en) * 1983-06-24 1985-01-02 Charles Giraud Device for continuously selecting fruits as to their sugar contents

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