GB1252766A - - Google Patents

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Publication number
GB1252766A
GB1252766A GB1252766DA GB1252766A GB 1252766 A GB1252766 A GB 1252766A GB 1252766D A GB1252766D A GB 1252766DA GB 1252766 A GB1252766 A GB 1252766A
Authority
GB
United Kingdom
Prior art keywords
conduit
cell
cut
edge
under test
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
Other languages
English (en)
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 filed Critical
Publication of GB1252766A publication Critical patent/GB1252766A/en
Expired legal-status Critical Current

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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
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
    • G01N21/431—Dip refractometers, e.g. using optical fibres

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)
GB1252766D 1968-11-26 1968-11-26 Expired GB1252766A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5610868 1968-11-26

Publications (1)

Publication Number Publication Date
GB1252766A true GB1252766A (https=) 1971-11-10

Family

ID=10475743

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1252766D Expired GB1252766A (https=) 1968-11-26 1968-11-26

Country Status (1)

Country Link
GB (1) GB1252766A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4682889A (en) * 1983-08-03 1987-07-28 Stanley Electric Co., Ltd. Refractometer for measuring the refractive index of a liquid
WO1987007946A1 (en) * 1986-06-17 1987-12-30 Bellhouse Technology Limited Optical sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4682889A (en) * 1983-08-03 1987-07-28 Stanley Electric Co., Ltd. Refractometer for measuring the refractive index of a liquid
WO1987007946A1 (en) * 1986-06-17 1987-12-30 Bellhouse Technology Limited Optical sensor

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees