CH305644A - Method and measuring device for determining the number of particles suspended in a medium. - Google Patents

Method and measuring device for determining the number of particles suspended in a medium.

Info

Publication number
CH305644A
CH305644A CH305644DA CH305644A CH 305644 A CH305644 A CH 305644A CH 305644D A CH305644D A CH 305644DA CH 305644 A CH305644 A CH 305644A
Authority
CH
Switzerland
Prior art keywords
determining
medium
measuring device
particles suspended
suspended
Prior art date
Application number
Other languages
German (de)
Inventor
Loeschcke Hans Dr Prof
Ruetger Dr Wever
Original Assignee
Loeschcke Hans Dr Prof
Ruetger Dr Wever
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, Ruetger Dr Wever filed Critical Loeschcke Hans Dr Prof
Publication of CH305644A publication Critical patent/CH305644A/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)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (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)
CH305644D 1949-08-22 1952-08-19 Method and measuring device for determining the number of particles suspended in a medium. CH305644A (en)

Applications Claiming Priority (4)

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

Publications (1)

Publication Number Publication Date
CH305644A true CH305644A (en) 1955-02-28

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 Before (2)

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.

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3008370A (en) * 1958-07-21 1961-11-14 Antonjo M Uribe Photometric apparatus

Families Citing this family (15)

* 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
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
DE1296828B (en) * 1963-02-18 1969-06-04 Toa Tokushu Denki Kabushiki Ka Device for measuring the concentration of a colloid
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
ES2183984T3 (en) * 1995-11-30 2003-04-01 Thermo Labsystems Oy NEFELOMETER
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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3008370A (en) * 1958-07-21 1961-11-14 Antonjo M Uribe Photometric apparatus

Also Published As

Publication number Publication date
FR1088567A (en) 1955-03-08
DE881877C (en) 1953-07-02
DE913590C (en) 1954-06-14
CH278998A (en) 1951-11-15
CH297254A (en) 1954-03-15
GB688653A (en) 1953-03-11
GB688945A (en) 1953-03-18
GB722947A (en) 1955-02-02
DE924173C (en) 1955-02-28

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