GB2340936B - Improvements relating to the measurement of particle size distribution - Google Patents

Improvements relating to the measurement of particle size distribution

Info

Publication number
GB2340936B
GB2340936B GB9919744A GB9919744A GB2340936B GB 2340936 B GB2340936 B GB 2340936B GB 9919744 A GB9919744 A GB 9919744A GB 9919744 A GB9919744 A GB 9919744A GB 2340936 B GB2340936 B GB 2340936B
Authority
GB
United Kingdom
Prior art keywords
measurement
particle size
size distribution
improvements relating
relating
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
GB9919744A
Other versions
GB2340936A (en
GB9919744D0 (en
Inventor
David John Watson
Clive Patrick Ashley Catterall
Duncan Edward Stephenson
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.)
Malvern Panalytical Ltd
Original Assignee
Malvern Instruments 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
Priority claimed from GBGB9818351.0A external-priority patent/GB9818351D0/en
Application filed by Malvern Instruments Ltd filed Critical Malvern Instruments Ltd
Priority to GB9919744A priority Critical patent/GB2340936B/en
Publication of GB9919744D0 publication Critical patent/GB9919744D0/en
Publication of GB2340936A publication Critical patent/GB2340936A/en
Application granted granted Critical
Publication of GB2340936B publication Critical patent/GB2340936B/en
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
    • 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
    • G01N15/0211—Investigating a scatter or diffraction pattern
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N2021/0389—Windows

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)
GB9919744A 1998-08-22 1999-08-23 Improvements relating to the measurement of particle size distribution Expired - Lifetime GB2340936B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9919744A GB2340936B (en) 1998-08-22 1999-08-23 Improvements relating to the measurement of particle size distribution

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9818351.0A GB9818351D0 (en) 1998-08-22 1998-08-22 Improvements relating to the measurement of particle size distribution
GB9919744A GB2340936B (en) 1998-08-22 1999-08-23 Improvements relating to the measurement of particle size distribution

Publications (3)

Publication Number Publication Date
GB9919744D0 GB9919744D0 (en) 1999-10-27
GB2340936A GB2340936A (en) 2000-03-01
GB2340936B true GB2340936B (en) 2003-08-13

Family

ID=26314249

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9919744A Expired - Lifetime GB2340936B (en) 1998-08-22 1999-08-23 Improvements relating to the measurement of particle size distribution

Country Status (1)

Country Link
GB (1) GB2340936B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9901406D0 (en) * 1999-01-23 1999-03-10 Harley Scient Limited Airborne particle detector
GB0323055D0 (en) * 2003-10-02 2003-11-05 Unidata Europ Ltd Particulate detector
DE102006032536B3 (en) 2006-07-12 2008-04-10 Hochschule Für Technik Und Wirtschaft Des Saarlandes Apparatus and method for distinguishing types of fog
JP2008039539A (en) * 2006-08-04 2008-02-21 Shimadzu Corp Light scattering detector
DE102008064665B4 (en) 2008-09-15 2016-06-09 Fritsch Gmbh Particle size analyzer
GB2494735B (en) * 2011-09-14 2017-10-25 Malvern Instr Ltd Apparatus for measuring particle-size distribution by light scattering
GB2494733A (en) * 2011-09-14 2013-03-20 Malvern Instr Ltd Measuring particle size distribution by light scattering
EP2869054A1 (en) * 2013-11-05 2015-05-06 Malvern Instruments Limited Improvements relating to particle characterisation
EP2869058A1 (en) * 2013-11-05 2015-05-06 Malvern Instruments Limited Improvements Relating to Particle Characterisation
EP2869056B1 (en) * 2013-11-05 2020-05-20 Malvern Panalytical Limited Improvements relating to particle characterisation
EP2869057A1 (en) * 2013-11-05 2015-05-06 Malvern Instruments Limited Improvements Relating to Particle Characterisation
EP2869055A1 (en) * 2013-11-05 2015-05-06 Malvern Instruments Limited Improvements relating to particle characterisation
EP4050322B1 (en) 2016-08-04 2024-05-29 Malvern Panalytical Limited Method of characterising particles suspended in a fluid dispersant by light diffraction, processor and machine-readable, non-transient storage medium
DE102018008980B4 (en) * 2018-11-14 2023-08-24 Particle Metrix Gmbh Apparatus and method for determining fluorescence and number of antibodies on exosomes.
KR20210012259A (en) * 2019-07-24 2021-02-03 삼성전자주식회사 Particulate matter measurement apparatus and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1304962A (en) * 1969-12-31 1973-01-31
US4361403A (en) * 1978-06-26 1982-11-30 Loos Hendricus G Multiple wavelength instrument for measurement of particle size distributions
EP0485817A1 (en) * 1990-11-03 1992-05-20 Horiba, Ltd. Apparatus for measuring a particle size distribution
EP0559529A1 (en) * 1992-03-04 1993-09-08 Compagnie Industrielle Des Lasers Cilas Laser granulometer
US5416590A (en) * 1993-04-19 1995-05-16 Tma Technologies, Inc. Apparatus and process for measuring gap and mismatch
FR2773880A1 (en) * 1998-01-19 1999-07-23 Cilas Device for determining the granular spread in a mixture of particles, in a liquid or gas flow.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1304962A (en) * 1969-12-31 1973-01-31
US4361403A (en) * 1978-06-26 1982-11-30 Loos Hendricus G Multiple wavelength instrument for measurement of particle size distributions
EP0485817A1 (en) * 1990-11-03 1992-05-20 Horiba, Ltd. Apparatus for measuring a particle size distribution
EP0559529A1 (en) * 1992-03-04 1993-09-08 Compagnie Industrielle Des Lasers Cilas Laser granulometer
US5416590A (en) * 1993-04-19 1995-05-16 Tma Technologies, Inc. Apparatus and process for measuring gap and mismatch
FR2773880A1 (en) * 1998-01-19 1999-07-23 Cilas Device for determining the granular spread in a mixture of particles, in a liquid or gas flow.

Also Published As

Publication number Publication date
GB2340936A (en) 2000-03-01
GB9919744D0 (en) 1999-10-27

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20190822