DE3870383D1 - Verfahren und geraet zur messung von fasern in der luft. - Google Patents

Verfahren und geraet zur messung von fasern in der luft.

Info

Publication number
DE3870383D1
DE3870383D1 DE8888308968T DE3870383T DE3870383D1 DE 3870383 D1 DE3870383 D1 DE 3870383D1 DE 8888308968 T DE8888308968 T DE 8888308968T DE 3870383 T DE3870383 T DE 3870383T DE 3870383 D1 DE3870383 D1 DE 3870383D1
Authority
DE
Germany
Prior art keywords
air
measuring fibers
fibers
measuring
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 - Fee Related
Application number
DE8888308968T
Other languages
English (en)
Inventor
Anthony Peter Rood
Edward John Walker
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.)
BTG International Ltd
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Application granted granted Critical
Publication of DE3870383D1 publication Critical patent/DE3870383D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
    • G01N15/0618—Investigating concentration of particle suspensions by collecting particles on a support of the filter type
    • 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
    • G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
    • G01N15/0612—Optical scan of the deposits
    • 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
    • G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
    • G01N15/0618—Investigating concentration of particle suspensions by collecting particles on a support of the filter type
    • G01N15/0625—Optical scan of the deposits
    • 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
    • G01N15/0656—Investigating concentration of particle suspensions using electric, e.g. electrostatic methods or magnetic methods
    • 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
    • G01N2015/0049—Investigating dispersion of solids in gas, e.g. smoke of filaments in gas
    • 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
    • G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth 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)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Measurement Of Radiation (AREA)
DE8888308968T 1987-09-30 1988-09-28 Verfahren und geraet zur messung von fasern in der luft. Expired - Fee Related DE3870383D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878722982A GB8722982D0 (en) 1987-09-30 1987-09-30 Measurement of airborne fibres

Publications (1)

Publication Number Publication Date
DE3870383D1 true DE3870383D1 (de) 1992-05-27

Family

ID=10624598

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888308968T Expired - Fee Related DE3870383D1 (de) 1987-09-30 1988-09-28 Verfahren und geraet zur messung von fasern in der luft.

Country Status (5)

Country Link
US (1) US4916325A (de)
EP (1) EP0310348B1 (de)
JP (1) JPH01121735A (de)
DE (1) DE3870383D1 (de)
GB (2) GB8722982D0 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3933681A1 (de) * 1989-10-09 1991-04-18 Battelle Institut E V Geraet zur messung des anteils an asbeststaub in luft
GB9108442D0 (en) * 1991-04-19 1991-06-05 Nat Res Dev Method and apparatus for the measurement of airborne fibres
DE4433837A1 (de) * 1994-09-22 1996-03-28 Guenter Prof Dr Struebel Verfahren zur schnellen qualitativen Bestimmung von Asbestfasern
US6512583B1 (en) 1996-11-04 2003-01-28 Certainteed Corporation Apparatus and method for the dimensional measurement of airborne fibers
US6005662A (en) * 1996-11-04 1999-12-21 Certainteed Corporation Apparatus and method for the measurement and separation of airborne fibers
NO307675B1 (no) * 1997-04-18 2000-05-08 Lasse Leirfall Anvendelse av en mÕleanordning til indikering av en forurenset, tilsmusset eller brannfarlig tilstand
AU740705B2 (en) * 1997-07-23 2001-11-15 Commonwealth Scientific And Industrial Research Organisation Carrier method and apparatus
JP3758577B2 (ja) * 2002-01-22 2006-03-22 株式会社島津製作所 大気中の浮遊粒子状物質の捕集装置および捕集した浮遊粒子状物質の測定方法
US6807874B2 (en) * 2002-01-21 2004-10-26 Shimadzu Corporation Collecting apparatus of floating dusts in atmosphere
JP2003337087A (ja) * 2002-05-20 2003-11-28 Shimadzu Corp 浮遊粒子の捕集装置
JP4019267B2 (ja) * 2002-11-21 2007-12-12 株式会社島津製作所 大気中の浮遊粒子状物質の捕集装置
JP4058624B2 (ja) * 2002-11-28 2008-03-12 株式会社島津製作所 大気中の浮遊粒子状物質の捕集・測定装置
EP1681550A1 (de) * 2005-01-13 2006-07-19 Matter Engineering AG Verfahren und Vorrichtung zur Messung von Anzahlkonzentration und mittlerem Durchmesser von Aerosolpartikeln
JP2007107970A (ja) * 2005-10-12 2007-04-26 Shimadzu Corp アスベストの測定方法
CN106940288A (zh) * 2017-05-24 2017-07-11 青岛众瑞智能仪器有限公司 一种气体颗粒物检测方法及设备
FR3072309B1 (fr) * 2017-10-12 2023-02-10 Commissariat Energie Atomique Methode et dispositif de tri de fibres en suspension dans un aerosol par la combinaison de forces electrostatiques et de gravite

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE315760B (de) * 1966-04-27 1969-10-06 Saab Ab
FR2211124A5 (de) * 1972-12-14 1974-07-12 Gca Corp
US4166703A (en) * 1977-11-14 1979-09-04 Rockwell International Corporation Testing of fibrous coalescer elements
US4631482A (en) * 1984-10-09 1986-12-23 Auburn International, Inc. Dust flow inducing monitor
GB2174801B (en) * 1985-05-10 1988-06-15 Coal Ind Determination of gasborne fibre concentrations

Also Published As

Publication number Publication date
JPH01121735A (ja) 1989-05-15
EP0310348A3 (en) 1990-01-10
EP0310348B1 (de) 1992-04-22
US4916325A (en) 1990-04-10
EP0310348A2 (de) 1989-04-05
GB8722982D0 (en) 1987-11-04
GB8822725D0 (en) 1988-11-02
GB2210455B (en) 1992-01-02
GB2210455A (en) 1989-06-07

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Legal Events

Date Code Title Description
8380 Miscellaneous part iii

Free format text: DER PATENTINHABER LAUTET RICHTIG: BRITISH TECHNOLOGY GROUP LTD., LONDON, GB

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BTG INTERNATIONAL LTD., LONDON, GB

8339 Ceased/non-payment of the annual fee