CH278998A - Method for counting particles suspended in a transparent medium and measuring device for carrying out the method. - Google Patents

Method for counting particles suspended in a transparent medium and measuring device for carrying out the method.

Info

Publication number
CH278998A
CH278998A CH278998DA CH278998A CH 278998 A CH278998 A CH 278998A CH 278998D A CH278998D A CH 278998DA CH 278998 A CH278998 A CH 278998A
Authority
CH
Switzerland
Prior art keywords
carrying
measuring device
transparent medium
particles suspended
counting particles
Prior art date
Application number
Other languages
German (de)
Inventor
Loeschcke Hans Dr Prof
Wever Ruetger
Original Assignee
Loeschcke Hans Dr Prof
Wever Ruetger
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 Loeschcke Hans Dr Prof, Wever Ruetger filed Critical Loeschcke Hans Dr Prof
Publication of CH278998A publication Critical patent/CH278998A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • 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
    • G01N21/51—Scattering, i.e. diffuse reflection within a body or fluid inside a container, e.g. in an ampoule

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CH278998D 1949-08-22 1949-08-22 Method for counting particles suspended in a transparent medium and measuring device for carrying out the method. CH278998A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE297254X 1949-08-22
DE688653X 1949-08-22
DE141150X 1950-11-14
DE305644X 1951-08-21

Publications (1)

Publication Number Publication Date
CH278998A true CH278998A (en) 1951-11-15

Family

ID=27430521

Family Applications (3)

Application Number Title Priority Date Filing Date
CH278998D CH278998A (en) 1949-08-22 1949-08-22 Method for counting particles suspended in a transparent medium and measuring device for carrying out the method.
CH297254D CH297254A (en) 1949-08-22 1951-07-30 Method for counting particles suspended in a transparent medium and measuring device for carrying out this method.
CH305644D CH305644A (en) 1949-08-22 1952-08-19 Method and measuring device for determining the number of particles suspended in a medium.

Family Applications After (2)

Application Number Title Priority Date Filing Date
CH297254D CH297254A (en) 1949-08-22 1951-07-30 Method for counting particles suspended in a transparent medium and measuring device for carrying out this method.
CH305644D CH305644A (en) 1949-08-22 1952-08-19 Method and measuring device for determining the number of particles suspended in a medium.

Country Status (4)

Country Link
CH (3) CH278998A (en)
DE (3) DE881877C (en)
FR (1) FR1088567A (en)
GB (3) GB688653A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2816479A (en) * 1954-07-06 1957-12-17 Du Pont Particle measurement
DE1296828B (en) * 1963-02-18 1969-06-04 Toa Tokushu Denki Kabushiki Ka Device for measuring the concentration of a colloid

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2873644A (en) * 1955-02-08 1959-02-17 American Instr Co Inc Optical system for the measurement of turbidity
US3011346A (en) * 1957-07-11 1961-12-05 California Research Corp Apparatus for gravity gradient surveying
US3008370A (en) * 1958-07-21 1961-11-14 Antonjo M Uribe Photometric apparatus
US3597087A (en) * 1968-12-31 1971-08-03 Ball Brothers Res Corp Sample degradation determining method and apparatus
DE2103318B2 (en) * 1970-01-29 1973-10-04 Beckman Instruments, Inc., Fullerton, Calif. (V.St.A.) Scatter photometer
US4167335A (en) * 1977-12-16 1979-09-11 Leeds & Northrup Company Apparatus and method for linearizing a volume loading measurement utilizing particle scattering
DE3018021A1 (en) * 1979-05-16 1980-11-27 Honeywell Inc OPTICAL SMOKE DETECTOR
DE3608552A1 (en) * 1986-03-14 1987-09-17 Bayer Ag Nephelometer
DE3630292C1 (en) * 1986-09-05 1988-02-11 Suck Thomas Adolf Scattered light photometer
US6020961A (en) * 1995-11-30 2000-02-01 Merlin Gesellschaft Fuer Mikrobiologische Diagnostik Mbh Nephelometer
SE530896C2 (en) * 2005-04-01 2008-10-14 Diaspect Medical Ab Device for determining a blood hemoglobin concentration
EP2957896A1 (en) * 2014-06-17 2015-12-23 Siemens Healthcare Diagnostics Products GmbH Optical device for guiding a beam of radiation and aperture for integration into the same
CN105784552B (en) * 2014-12-24 2019-08-06 周志斌 Particle concentration detection method
CN108398363B (en) * 2017-02-06 2022-09-09 霍尼韦尔国际公司 Particulate matter sensor with novel turnover mechanism for forming air flow

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH258050A (en) * 1944-12-15 1948-11-15 Gmbh Ernst Leitz Device for measuring the turbidity of a liquid.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2816479A (en) * 1954-07-06 1957-12-17 Du Pont Particle measurement
DE1296828B (en) * 1963-02-18 1969-06-04 Toa Tokushu Denki Kabushiki Ka Device for measuring the concentration of a colloid

Also Published As

Publication number Publication date
GB722947A (en) 1955-02-02
DE924173C (en) 1955-02-28
GB688653A (en) 1953-03-11
FR1088567A (en) 1955-03-08
CH305644A (en) 1955-02-28
DE913590C (en) 1954-06-14
GB688945A (en) 1953-03-18
DE881877C (en) 1953-07-02
CH297254A (en) 1954-03-15

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