DE3675117D1 - Vorrichtung und verfahren zur analyse von teilchen in einem mittel. - Google Patents

Vorrichtung und verfahren zur analyse von teilchen in einem mittel.

Info

Publication number
DE3675117D1
DE3675117D1 DE8686111073T DE3675117T DE3675117D1 DE 3675117 D1 DE3675117 D1 DE 3675117D1 DE 8686111073 T DE8686111073 T DE 8686111073T DE 3675117 T DE3675117 T DE 3675117T DE 3675117 D1 DE3675117 D1 DE 3675117D1
Authority
DE
Germany
Prior art keywords
medium
analyzing particles
analyzing
particles
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 - Lifetime
Application number
DE8686111073T
Other languages
English (en)
Inventor
Takehiko Kitamori
Kazumichi Suzuki
Tsuguo Sawada
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3675117D1 publication Critical patent/DE3675117D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4454—Signal recognition, e.g. specific values or portions, signal events, signatures
    • 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
    • G01N15/10—Investigating individual particles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/032—Analysing fluids by measuring attenuation of acoustic waves
    • 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
    • G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/024—Mixtures
    • G01N2291/02408—Solids in gases, e.g. particle suspensions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/024—Mixtures
    • G01N2291/02416—Solids in liquids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02854—Length, thickness

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Dispersion Chemistry (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE8686111073T 1985-08-14 1986-08-11 Vorrichtung und verfahren zur analyse von teilchen in einem mittel. Expired - Lifetime DE3675117D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60177552A JPS6238345A (ja) 1985-08-14 1985-08-14 固形粒子の分析方法及び装置

Publications (1)

Publication Number Publication Date
DE3675117D1 true DE3675117D1 (de) 1990-11-29

Family

ID=16032945

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686111073T Expired - Lifetime DE3675117D1 (de) 1985-08-14 1986-08-11 Vorrichtung und verfahren zur analyse von teilchen in einem mittel.

Country Status (4)

Country Link
US (1) US4722602A (de)
EP (1) EP0213468B1 (de)
JP (1) JPS6238345A (de)
DE (1) DE3675117D1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0621861B2 (ja) * 1987-09-28 1994-03-23 株式会社日立製作所 光音響分光装置
JP2685482B2 (ja) * 1988-04-08 1997-12-03 株式会社日立製作所 粒子状物質の分析方法及び装置
JP2543151B2 (ja) * 1988-08-18 1996-10-16 株式会社日立製作所 ブレイクダウンプラズマ測定装置
GB8903320D0 (en) * 1989-02-14 1989-04-05 Mahgerefteh Haroun Particle sizer
US5069551A (en) * 1989-11-24 1991-12-03 Iowa State University Research Foundation, Inc. Method and apparatus of measuring unburned carbon in fly ash
DE4130639A1 (de) * 1991-09-14 1993-03-18 Reinhard Dr Niessner Verfahren zur quantitativen und qualitativen erfassung von kohlenwasserstoffhaltigen russschwebeteilchen in gasen
FR2815716B1 (fr) * 2000-10-23 2002-11-29 Commissariat Energie Atomique Dispositif de mesure en ligne de pulsations d'un laser et procede de mesure par spectroscopie photo-acoustique
US8234907B2 (en) * 2006-11-10 2012-08-07 Koninklijke Philips Eletronics N.V. Photo acoustic detector with improved signal processing
DE102007014519A1 (de) * 2007-03-27 2008-10-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Photoakustischer Detektor zur Messung von Feinstaub
FR2920542B1 (fr) * 2007-08-27 2010-02-26 Korea Electric Power Corp Appareillage et procede pour detecter des particules contenues dans de l'eau
US8848191B2 (en) 2012-03-14 2014-09-30 Honeywell International Inc. Photoacoustic sensor with mirror
US11085903B2 (en) * 2016-06-14 2021-08-10 Nemak S.A.B. De C.V. Method, device and use for the device for quantitatively determining the concentration or particle size of a component of a heterogeneous material mixture
EP4050322B1 (de) * 2016-08-04 2024-05-29 Malvern Panalytical Limited Verfahren zur charakterisierung von partikeln suspendiert in einem flüssigen dispergiermittel durch lichtstreuung, prozessor und maschinenlesbares, nicht-transientes speichermedium
CN115683959B (zh) * 2022-11-03 2023-07-14 北京信息科技大学 基于碰撞声特征的生物质颗粒粒径识别系统及方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3710615A (en) * 1971-03-25 1973-01-16 Trw Inc Acoustic particle concentration measuring instrument and method
US4184768A (en) * 1977-11-04 1980-01-22 The Johns Hopkins University Self-calibrating photoacoustic apparatus for measuring light intensity and light absorption
US4277179A (en) * 1979-03-12 1981-07-07 The United States Of America As Represented By The Secretary Of The Army Resonant subcavity differential spectrophone
US4413504A (en) * 1982-05-27 1983-11-08 University Of Florida Liquid-phase chromatography detector
DE3319922A1 (de) * 1983-06-01 1984-12-06 Bayer Ag, 5090 Leverkusen Verfahren und vorrichtung zur regelung von prozessen, an denen eine disperse phase beteiligt ist

Also Published As

Publication number Publication date
US4722602A (en) 1988-02-02
EP0213468A3 (en) 1987-07-29
JPH0479570B2 (de) 1992-12-16
EP0213468A2 (de) 1987-03-11
EP0213468B1 (de) 1990-10-24
JPS6238345A (ja) 1987-02-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee