GB1422197A - Particle-size spectrometers - Google Patents

Particle-size spectrometers

Info

Publication number
GB1422197A
GB1422197A GB405773A GB405773A GB1422197A GB 1422197 A GB1422197 A GB 1422197A GB 405773 A GB405773 A GB 405773A GB 405773 A GB405773 A GB 405773A GB 1422197 A GB1422197 A GB 1422197A
Authority
GB
United Kingdom
Prior art keywords
light
particles
scattered
tube
fluid
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
GB405773A
Other languages
English (en)
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.)
Sartorius Membranfilter GmbH
Original Assignee
Sartorius Membranfilter 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
Priority claimed from DE19722204079 external-priority patent/DE2204079C3/de
Application filed by Sartorius Membranfilter GmbH filed Critical Sartorius Membranfilter GmbH
Publication of GB1422197A publication Critical patent/GB1422197A/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
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means
    • 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
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N2015/0042—Investigating dispersion of solids
    • G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke

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 Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
GB405773A 1972-01-28 1973-01-26 Particle-size spectrometers Expired GB1422197A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722204079 DE2204079C3 (de) 1972-01-28 Vorrichtung zum Klassifizieren von in einem strömungsfähigen Medium suspendierten Teilchen

Publications (1)

Publication Number Publication Date
GB1422197A true GB1422197A (en) 1976-01-21

Family

ID=5834340

Family Applications (1)

Application Number Title Priority Date Filing Date
GB405773A Expired GB1422197A (en) 1972-01-28 1973-01-26 Particle-size spectrometers

Country Status (5)

Country Link
US (1) US3869208A (enrdf_load_stackoverflow)
JP (1) JPS4885194A (enrdf_load_stackoverflow)
FR (1) FR2175395A5 (enrdf_load_stackoverflow)
GB (1) GB1422197A (enrdf_load_stackoverflow)
IL (1) IL41300A (enrdf_load_stackoverflow)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052600A (en) * 1975-01-06 1977-10-04 Leeds & Northrup Company Measurement of statistical parameters of a distribution of suspended particles
US3989381A (en) * 1975-05-05 1976-11-02 Coulter Electronics, Inc. Optical chamber with spherical reflective portion and apparatus employing same
US4018534A (en) * 1975-05-21 1977-04-19 The United States Of America As Represented By The Secretary Of The Army Aerosol average-density determining system
JPS5237482A (en) * 1975-09-19 1977-03-23 Nippon Kagaku Kogyo Kk Device for measuring suspended particulate matter using light scatteri ng
JPS52100278A (en) * 1976-02-18 1977-08-23 Hitachi Ltd Light scattering particle detector
DE2829736C2 (de) * 1977-07-13 1981-10-08 Nikolaj Vladimirovič Šamkov Eicheinrichtung zur Aufnahme der Eichkurve eines fotoelektrischen Aerosolanalysators
US4473296A (en) * 1978-05-03 1984-09-25 Ppm, Inc. System and method and apparatus for a continuous aerosol monitor (CAM) using electro-optical weighing for general aerosols
US4193288A (en) * 1978-08-21 1980-03-18 Berber Viktor A Apparatus for calibrating instruments for granulometric recording
US4284355A (en) * 1979-10-29 1981-08-18 Ortho Diagnostics, Inc. Automated method for cell volume determination
JPS5682645U (enrdf_load_stackoverflow) * 1979-11-28 1981-07-03
JPS6237160Y2 (enrdf_load_stackoverflow) * 1980-02-29 1987-09-22
US4801205A (en) * 1984-06-30 1989-01-31 Kabushiki Kaisha Toshiba Particle size measuring apparatus
US4702598A (en) * 1985-02-25 1987-10-27 Research Corporation Flow cytometer
JPS61266940A (ja) * 1985-05-22 1986-11-26 Kurita Water Ind Ltd 液中の微粒子計測装置
US4915500A (en) * 1985-08-16 1990-04-10 The United States Of America As Represented By The Department Of Energy Multichannel optical sensing device
JPS63133040A (ja) * 1986-11-25 1988-06-04 Rion Co Ltd 光散乱式微粒子計
JPH0283450U (enrdf_load_stackoverflow) * 1988-12-15 1990-06-28
JPH0283451U (enrdf_load_stackoverflow) * 1988-12-15 1990-06-28
US4966462A (en) * 1989-02-15 1990-10-30 The United States Of America As Represented By The United States Department Of Energy Series cell light extinction monitor
US4942305A (en) * 1989-05-12 1990-07-17 Pacific Scientific Company Integrating sphere aerosol particle detector
JP2722362B2 (ja) * 1992-03-27 1998-03-04 三井金属鉱業株式会社 粒子または欠陥の大きさ情報の測定方法および装置
US5407269A (en) * 1992-07-09 1995-04-18 International Business Machine Corporation Dynamic mixing chamber
US5559284A (en) * 1995-04-17 1996-09-24 The United States Of America As Represented By The Secretary Of The Army Method for determining elongational viscosity and dynamic surface tension in liquid solutions
US7016026B2 (en) * 2002-04-10 2006-03-21 Baker Hughes Incorporated Method and apparatus for a downhole refractometer and attenuated reflectance spectrometer
GB2389176C (en) * 2002-05-27 2011-07-27 Kidde Ip Holdings Ltd Smoke detector
JP2004283083A (ja) * 2003-03-24 2004-10-14 Hitachi Ltd オンライン化学反応装置、及び解析システム
US7256882B2 (en) * 2004-06-21 2007-08-14 Bgi Instruments, Inc. Photometer device and method
JP4980101B2 (ja) * 2007-03-08 2012-07-18 能美防災株式会社 煙感知器
CN103852078B (zh) * 2012-11-29 2018-05-25 上海航天控制工程研究所 空间光学姿态敏感器杂散光保护角的测量方法及装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2732753A (en) * 1956-01-31 o konski
US2280993A (en) * 1940-12-05 1942-04-28 American Cyanamid Co Turbidimeter
US3114283A (en) * 1960-10-31 1963-12-17 Bausch & Lomb Light sensing method and apparatus therefor
US3231748A (en) * 1961-10-30 1966-01-25 Fyr Fyter Co Smoke detector
US3535531A (en) * 1968-07-31 1970-10-20 Atomic Energy Commission High-volume airborne-particle light scattering detector system having rectangularly shaped elongated scanning zone
DE1802269C3 (de) * 1968-10-10 1979-09-27 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Verfahren zum Messen der Konzentration und/oder Größe von Schwebstoffteilchen
US3703641A (en) * 1969-08-18 1972-11-21 North American Rockwell Particle-size measuring apparatus
US3740148A (en) * 1970-12-08 1973-06-19 Research Corp Portable dust analyzer

Also Published As

Publication number Publication date
IL41300A (en) 1975-08-31
IL41300A0 (en) 1973-03-30
DE2204079B2 (de) 1975-09-18
JPS4885194A (enrdf_load_stackoverflow) 1973-11-12
FR2175395A5 (enrdf_load_stackoverflow) 1973-10-19
DE2204079A1 (de) 1973-08-09
US3869208A (en) 1975-03-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee