GB2023831B - Detection of particles in a gaseous medium - Google Patents

Detection of particles in a gaseous medium

Info

Publication number
GB2023831B
GB2023831B GB7923287A GB7923287A GB2023831B GB 2023831 B GB2023831 B GB 2023831B GB 7923287 A GB7923287 A GB 7923287A GB 7923287 A GB7923287 A GB 7923287A GB 2023831 B GB2023831 B GB 2023831B
Authority
GB
United Kingdom
Prior art keywords
particles
detection
gaseous medium
gaseous
medium
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
GB7923287A
Other versions
GB2023831A (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.)
Graviner Ltd
Original Assignee
Graviner 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 Graviner Ltd filed Critical Graviner Ltd
Priority to GB7923287A priority Critical patent/GB2023831B/en
Priority to EP19790301865 priority patent/EP0022444B1/en
Priority to DE7979301865T priority patent/DE2966303D1/en
Priority to JP12691079A priority patent/JPS5611340A/en
Publication of GB2023831A publication Critical patent/GB2023831A/en
Application granted granted Critical
Publication of GB2023831B publication Critical patent/GB2023831B/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
    • 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
    • G01N29/036—Analysing fluids by measuring frequency or resonance of acoustic waves
    • 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
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/025—Change of phase or condition
    • G01N2291/0256—Adsorption, desorption, surface mass change, e.g. on biosensors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Dispersion Chemistry (AREA)
  • Fire-Detection Mechanisms (AREA)
GB7923287A 1978-04-06 1979-07-04 Detection of particles in a gaseous medium Expired GB2023831B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB7923287A GB2023831B (en) 1978-04-06 1979-07-04 Detection of particles in a gaseous medium
EP19790301865 EP0022444B1 (en) 1979-07-04 1979-09-12 Improvements in and relating to the detection of particles in a gaseous medium
DE7979301865T DE2966303D1 (en) 1979-07-04 1979-09-12 Improvements in and relating to the detection of particles in a gaseous medium
JP12691079A JPS5611340A (en) 1979-07-04 1979-10-03 Detector for particles in gaseous medium

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1347478 1978-04-06
GB7923287A GB2023831B (en) 1978-04-06 1979-07-04 Detection of particles in a gaseous medium

Publications (2)

Publication Number Publication Date
GB2023831A GB2023831A (en) 1980-01-03
GB2023831B true GB2023831B (en) 1982-09-22

Family

ID=26249800

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7923287A Expired GB2023831B (en) 1978-04-06 1979-07-04 Detection of particles in a gaseous medium

Country Status (1)

Country Link
GB (1) GB2023831B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8307410D0 (en) * 1983-03-17 1983-04-27 Secr Social Service Brit Determining presence of contaminant in gaseous carrier
GB8828277D0 (en) * 1988-12-03 1989-01-05 Glasgow College Enterprises Lt Dust monitors & dust monitoring
US5889201A (en) * 1997-10-31 1999-03-30 Cincinnati Milacron Inc. Characterization of fluid misting
FR2903188A1 (en) * 2006-06-30 2008-01-04 Commissariat Energie Atomique Sample material`s e.g. glass plate, molecular or particle contamination rate measuring device for e.g. hospital, has optical counter measuring concentration of molecular or particle contaminants contained in sealed enclosure
CN103674793A (en) * 2012-09-21 2014-03-26 Msp公司 Apparatus and method for particle sampling and measurement in the ambient air
US9541488B2 (en) 2012-09-21 2017-01-10 Msp Corporation Particle sampling and measurement in the ambient air
US11085861B1 (en) 2014-03-03 2021-08-10 Msp Corporation Apparatus for real-time size-distributed measurement of aerosol mass concentration

Also Published As

Publication number Publication date
GB2023831A (en) 1980-01-03

Similar Documents

Publication Publication Date Title
JPS5788305A (en) Detection of particle on material
AU527168B2 (en) Distribution of a gas in a liquid medium
JPS5569887A (en) Inidentifying face value of bills and device therefor
HK20682A (en) Improvements in or relating to the release of an entrained gas in a liquid medium
JPS52142375A (en) Gas and liquid separator
GB2045456B (en) Detecting particles suspended in a gas
JPS54134691A (en) Gas detection alarm
JPS5520488A (en) Electrochemical gas detector and production
GB2013642B (en) Activated carbon particles
ZA775470B (en) Cobalt-doped acicular hyper-magnetite particles
GB2015899B (en) Conditioning a particle-laden gas
DE2966303D1 (en) Improvements in and relating to the detection of particles in a gaseous medium
GB2023831B (en) Detection of particles in a gaseous medium
GB2022825B (en) Determination of environmental contaminent in fluid mixtur
GB2026669B (en) Installation for the treatment of strip material in a gaseous medium
GB2038477B (en) Detection of metal dyanide in gas
JPS551876A (en) Method of discriminating city dust and its device
HK44681A (en) Improvements in and relating to electrostatic copying apparatus
GB2054143B (en) Measurement of the size of particles dispersed in a fluid
PT69190A (en) Improvements in or relating to the detection of gases
GB2033361B (en) Separation and recovery of cobalt
GB2061497B (en) Detection of nickel in air
GB2014061B (en) Electrostatic separation of particles in a fluid
GB2024686B (en) Embedement of hard particles in a metal surface
DE3062316D1 (en) Particles detection device

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee