GB2174801B - Determination of gasborne fibre concentrations - Google Patents

Determination of gasborne fibre concentrations

Info

Publication number
GB2174801B
GB2174801B GB08511883A GB8511883A GB2174801B GB 2174801 B GB2174801 B GB 2174801B GB 08511883 A GB08511883 A GB 08511883A GB 8511883 A GB8511883 A GB 8511883A GB 2174801 B GB2174801 B GB 2174801B
Authority
GB
United Kingdom
Prior art keywords
gasborne
determination
fibre concentrations
fibre
concentrations
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
GB08511883A
Other versions
GB2174801A (en
GB8511883D0 (en
Inventor
Arthur Mcconnell Johnston
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to GB08511883A priority Critical patent/GB2174801B/en
Publication of GB8511883D0 publication Critical patent/GB8511883D0/en
Publication of GB2174801A publication Critical patent/GB2174801A/en
Application granted granted Critical
Publication of GB2174801B publication Critical patent/GB2174801B/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
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (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)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB08511883A 1985-05-10 1985-05-10 Determination of gasborne fibre concentrations Expired GB2174801B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08511883A GB2174801B (en) 1985-05-10 1985-05-10 Determination of gasborne fibre concentrations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08511883A GB2174801B (en) 1985-05-10 1985-05-10 Determination of gasborne fibre concentrations

Publications (3)

Publication Number Publication Date
GB8511883D0 GB8511883D0 (en) 1985-06-19
GB2174801A GB2174801A (en) 1986-11-12
GB2174801B true GB2174801B (en) 1988-06-15

Family

ID=10578941

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08511883A Expired GB2174801B (en) 1985-05-10 1985-05-10 Determination of gasborne fibre concentrations

Country Status (1)

Country Link
GB (1) GB2174801B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019196270A1 (en) * 2018-04-08 2019-10-17 国家纳米科学中心 Micro-nano particles detection system and method thereof

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8722982D0 (en) * 1987-09-30 1987-11-04 Rood A P Measurement of airborne fibres
DE4433837A1 (en) * 1994-09-22 1996-03-28 Guenter Prof Dr Struebel Safe, rapid qualitative determn. of asbestos fibres with little appts.
CN105424566A (en) * 2014-11-10 2016-03-23 北京至感传感器技术研究院有限公司 Dust particle detection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019196270A1 (en) * 2018-04-08 2019-10-17 国家纳米科学中心 Micro-nano particles detection system and method thereof

Also Published As

Publication number Publication date
GB2174801A (en) 1986-11-12
GB8511883D0 (en) 1985-06-19

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Legal Events

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