GB2054845B - Measuring reflectivity - Google Patents

Measuring reflectivity

Info

Publication number
GB2054845B
GB2054845B GB8024019A GB8024019A GB2054845B GB 2054845 B GB2054845 B GB 2054845B GB 8024019 A GB8024019 A GB 8024019A GB 8024019 A GB8024019 A GB 8024019A GB 2054845 B GB2054845 B GB 2054845B
Authority
GB
United Kingdom
Prior art keywords
measuring reflectivity
reflectivity
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
Application number
GB8024019A
Other versions
GB2054845A (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.)
Wiggins Teape Group Ltd
Original Assignee
Wiggins Teape Group 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 Wiggins Teape Group Ltd filed Critical Wiggins Teape Group Ltd
Priority to GB8024019A priority Critical patent/GB2054845B/en
Publication of GB2054845A publication Critical patent/GB2054845A/en
Application granted granted Critical
Publication of GB2054845B publication Critical patent/GB2054845B/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
    • G01N21/17—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

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material 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)
GB8024019A 1979-07-26 1980-07-23 Measuring reflectivity Expired GB2054845B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8024019A GB2054845B (en) 1979-07-26 1980-07-23 Measuring reflectivity

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7926129 1979-07-26
GB8024019A GB2054845B (en) 1979-07-26 1980-07-23 Measuring reflectivity

Publications (2)

Publication Number Publication Date
GB2054845A GB2054845A (en) 1981-02-18
GB2054845B true GB2054845B (en) 1984-01-04

Family

ID=26272341

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8024019A Expired GB2054845B (en) 1979-07-26 1980-07-23 Measuring reflectivity

Country Status (1)

Country Link
GB (1) GB2054845B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH651664A5 (en) * 1982-10-14 1985-09-30 Nestle Sa METHOD AND APPARATUS FOR MEASURING THE BRIGHTNESS OF A COLOR.
US4566798A (en) * 1983-11-10 1986-01-28 Eastman Kodak Company Method for calibrating a reflectometer containing black and white references displaced from the sample position
US4640616A (en) * 1984-12-06 1987-02-03 The Cambridge Instrument Company Plc Automatic refractometer
DE3855086T2 (en) * 1987-05-06 1996-07-25 Fuji Photo Film Co Ltd Density measurement device and its use
US4793710A (en) * 1987-06-09 1988-12-27 The United States Of America As Represented By The Secretary Of The Interior Method and apparatus for measuring surface density of explosive and inert dust in stratified layers
JP2004150923A (en) 2002-10-30 2004-05-27 Atago:Kk Refractometer
US7663757B2 (en) 2006-09-27 2010-02-16 Alberta Research Council Inc. Apparatus and method for obtaining a reflectance property indication of a sample

Also Published As

Publication number Publication date
GB2054845A (en) 1981-02-18

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Legal Events

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