CH542438A - Vorrichtung zur fotometrischen Messung von Trübungen - Google Patents

Vorrichtung zur fotometrischen Messung von Trübungen

Info

Publication number
CH542438A
CH542438A CH853972A CH853972A CH542438A CH 542438 A CH542438 A CH 542438A CH 853972 A CH853972 A CH 853972A CH 853972 A CH853972 A CH 853972A CH 542438 A CH542438 A CH 542438A
Authority
CH
Switzerland
Prior art keywords
turbidity
photometric measurement
photometric
measurement
Prior art date
Application number
CH853972A
Other languages
German (de)
English (en)
Inventor
Delago Erich
Original Assignee
Metrawatt Gmbh
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 Metrawatt Gmbh filed Critical Metrawatt Gmbh
Publication of CH542438A publication Critical patent/CH542438A/de

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
    • G01N21/532—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke with measurement of scattering and transmission

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CH853972A 1971-08-06 1972-06-08 Vorrichtung zur fotometrischen Messung von Trübungen CH542438A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712139427 DE2139427A1 (de) 1971-08-06 1971-08-06 Vorrichtung zur fotometrischen messung

Publications (1)

Publication Number Publication Date
CH542438A true CH542438A (de) 1973-09-30

Family

ID=5815992

Family Applications (1)

Application Number Title Priority Date Filing Date
CH853972A CH542438A (de) 1971-08-06 1972-06-08 Vorrichtung zur fotometrischen Messung von Trübungen

Country Status (4)

Country Link
CH (1) CH542438A (xx)
DE (1) DE2139427A1 (xx)
FR (1) FR2148457A1 (xx)
NL (1) NL7209546A (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2297414A1 (fr) * 1975-01-09 1976-08-06 Inst Nat Sante Rech Med Perfectionnements aux appareils de mesure d'absorption du rayonnement notamment des photometres
US4199260A (en) * 1978-08-21 1980-04-22 Technicon Instruments Corporation Apparatus and method for determining the concentration in a sample
IL67679A (en) * 1983-01-14 1987-08-31 Jerusalem College Tech Refractometer for fluids
GB8326659D0 (en) * 1983-10-05 1983-11-09 Surrey University Of Water test kit and turbidity meter

Also Published As

Publication number Publication date
NL7209546A (xx) 1973-02-08
DE2139427A1 (de) 1973-02-15
FR2148457A1 (xx) 1973-03-23

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Legal Events

Date Code Title Description
PL Patent ceased