GB2008244A - Improvements in or Relating to the Quantitative Determination of Turbidities - Google Patents

Improvements in or Relating to the Quantitative Determination of Turbidities

Info

Publication number
GB2008244A
GB2008244A GB7844436A GB7844436A GB2008244A GB 2008244 A GB2008244 A GB 2008244A GB 7844436 A GB7844436 A GB 7844436A GB 7844436 A GB7844436 A GB 7844436A GB 2008244 A GB2008244 A GB 2008244A
Authority
GB
United Kingdom
Prior art keywords
output
turbidities
quantitative determination
relating
photometer
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.)
Withdrawn
Application number
GB7844436A
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.)
Diamant Test Gesellschaft fuer Edelsteinpreufungen mbH
Original Assignee
Diamant Test Gesellschaft fuer Edelsteinpreufungen mbH
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 Diamant Test Gesellschaft fuer Edelsteinpreufungen mbH filed Critical Diamant Test Gesellschaft fuer Edelsteinpreufungen mbH
Publication of GB2008244A publication Critical patent/GB2008244A/en
Withdrawn legal-status Critical Current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
    • G01N21/47—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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)

Abstract

In the quantitative determination of turbidities, a test sample 6 is disposed in a sample holder 5 in the path of a laser beam 2b and the transmitting light is incident on an Ulbricht's sphere photometer 9b. The laser beam 2b constitutes one output of a beam splitter 4, the other output beam 2a of which is directed on to a second Ulbricht's sphere photometer 9a to provide a reference. The outputs of the photometers are applied to a differential amplifier 12, the output of which is then divided by the output of the reference photometer 9a in a divider 13. <IMAGE>
GB7844436A 1977-11-17 1978-11-14 Improvements in or Relating to the Quantitative Determination of Turbidities Withdrawn GB2008244A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2751365A DE2751365B2 (en) 1977-11-17 1977-11-17 Device for measuring the absorption of a sample

Publications (1)

Publication Number Publication Date
GB2008244A true GB2008244A (en) 1979-05-31

Family

ID=6023950

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7844436A Withdrawn GB2008244A (en) 1977-11-17 1978-11-14 Improvements in or Relating to the Quantitative Determination of Turbidities

Country Status (8)

Country Link
JP (1) JPS5485096A (en)
BE (1) BE872058A (en)
DE (1) DE2751365B2 (en)
FR (1) FR2409507A1 (en)
GB (1) GB2008244A (en)
IT (1) IT1157706B (en)
NL (1) NL7811385A (en)
SE (1) SE7811813L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024603A1 (en) * 1979-08-16 1981-03-11 Gernot Klaus Brück Method and device for the measurement of laser radiation absorption in media

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4555179A (en) * 1982-11-08 1985-11-26 John Langerholc Detection and imaging of objects in scattering media by light irradiation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1213262A (en) * 1969-03-03 1970-11-25 Winslow Teletronics Inc Atmospheric light absorption measuring system
DE2045386C3 (en) * 1970-08-07 1980-04-03 Nils Dr.Med. 8035 Gauting Kaiser Device for determining the CO2 content of a biological substance
DE2047952C3 (en) * 1970-09-30 1973-10-18 Fa. Carl Zeiss, 7920 Heidenheim Process for the photometric evaluation of the zones resulting from the separation of substance mixtures in thin layers of light-scattering material
DE2218522C3 (en) * 1972-04-17 1975-03-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Process for continuous turbidity measurement
US4053236A (en) * 1974-08-22 1977-10-11 The Perkin-Elmer Corporation Absorbance measuring photometer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024603A1 (en) * 1979-08-16 1981-03-11 Gernot Klaus Brück Method and device for the measurement of laser radiation absorption in media

Also Published As

Publication number Publication date
JPS5485096A (en) 1979-07-06
DE2751365A1 (en) 1979-05-23
FR2409507A1 (en) 1979-06-15
DE2751365B2 (en) 1979-12-06
IT1157706B (en) 1987-02-18
IT7851910A0 (en) 1978-11-15
NL7811385A (en) 1979-05-21
SE7811813L (en) 1979-05-18
BE872058A (en) 1979-03-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee