FR823695A - Electro-optical device for indicating or measuring turbidity or diffusion in liquids, in the atmosphere, etc. - Google Patents

Electro-optical device for indicating or measuring turbidity or diffusion in liquids, in the atmosphere, etc.

Info

Publication number
FR823695A
FR823695A FR823695DA FR823695A FR 823695 A FR823695 A FR 823695A FR 823695D A FR823695D A FR 823695DA FR 823695 A FR823695 A FR 823695A
Authority
FR
France
Prior art keywords
electro
liquids
diffusion
atmosphere
indicating
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)
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.)
Svenska AB Gasaccumulator
Original Assignee
Svenska AB Gasaccumulator
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 Svenska AB Gasaccumulator filed Critical Svenska AB Gasaccumulator
Application granted granted Critical
Publication of FR823695A publication Critical patent/FR823695A/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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity

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)
  • Spectroscopy & Molecular Physics (AREA)
  • Optical Measuring Cells (AREA)
FR823695D 1936-07-11 1937-06-30 Electro-optical device for indicating or measuring turbidity or diffusion in liquids, in the atmosphere, etc. Expired FR823695A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE823695X 1936-07-11

Publications (1)

Publication Number Publication Date
FR823695A true FR823695A (en) 1938-01-25

Family

ID=20310438

Family Applications (1)

Application Number Title Priority Date Filing Date
FR823695D Expired FR823695A (en) 1936-07-11 1937-06-30 Electro-optical device for indicating or measuring turbidity or diffusion in liquids, in the atmosphere, etc.

Country Status (2)

Country Link
FR (1) FR823695A (en)
GB (1) GB479662A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE926993C (en) * 1949-11-22 1955-04-28 Hoechst Ag Device for determining or measuring light scattering

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2769365A (en) * 1949-08-22 1956-11-06 Loeschcke Hans Counting device for microscopic particles
DE961033C (en) * 1952-03-25 1957-03-28 Atlas Werke Ag Photometric measuring device for the examination of oxygen in the blood in human tissues
US2816479A (en) * 1954-07-06 1957-12-17 Du Pont Particle measurement
DE1250154B (en) * 1957-05-31
US3218909A (en) * 1961-12-22 1965-11-23 Janice B Fain Optical ranging device using movable concentric coplanar detectors
US3713743A (en) * 1970-11-25 1973-01-30 Agricultural Control Syst Forward scatter optical turbidimeter apparatus
JPS5580039A (en) * 1978-12-12 1980-06-16 Hiroshi Sato Integrating sphare type turbidimeter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE926993C (en) * 1949-11-22 1955-04-28 Hoechst Ag Device for determining or measuring light scattering

Also Published As

Publication number Publication date
GB479662A (en) 1938-02-09

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