FR1140517A - Improvements to devices for measuring the refractive index of liquids - Google Patents

Improvements to devices for measuring the refractive index of liquids

Info

Publication number
FR1140517A
FR1140517A FR1140517DA FR1140517A FR 1140517 A FR1140517 A FR 1140517A FR 1140517D A FR1140517D A FR 1140517DA FR 1140517 A FR1140517 A FR 1140517A
Authority
FR
France
Prior art keywords
liquids
measuring
devices
refractive index
refractive
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
Carlo Massarani
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 FR1140517A publication Critical patent/FR1140517A/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
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
FR1140517D 1954-12-21 1955-12-20 Improvements to devices for measuring the refractive index of liquids Expired FR1140517A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1140517X 1954-12-21

Publications (1)

Publication Number Publication Date
FR1140517A true FR1140517A (en) 1957-07-24

Family

ID=11431791

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1140517D Expired FR1140517A (en) 1954-12-21 1955-12-20 Improvements to devices for measuring the refractive index of liquids

Country Status (1)

Country Link
FR (1) FR1140517A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043522A1 (en) * 1980-06-26 1982-01-13 Fuchs, Peter Refractometer
WO1982001771A1 (en) * 1980-11-19 1982-05-27 Harold Norris A refractometer
US4451147A (en) * 1981-08-31 1984-05-29 Karel Dobes Refractometer
EP0116746A2 (en) * 1983-02-18 1984-08-29 American Crystal Sugar Company Apparatus and method for measuring refractive index of liquids

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043522A1 (en) * 1980-06-26 1982-01-13 Fuchs, Peter Refractometer
WO1982001771A1 (en) * 1980-11-19 1982-05-27 Harold Norris A refractometer
US4451147A (en) * 1981-08-31 1984-05-29 Karel Dobes Refractometer
EP0116746A2 (en) * 1983-02-18 1984-08-29 American Crystal Sugar Company Apparatus and method for measuring refractive index of liquids
EP0116746A3 (en) * 1983-02-18 1985-07-31 American Crystal Sugar Company Apparatus and method for measuring refractive index of liquids

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