GB1373807A - Method and device for the examination of materials - Google Patents

Method and device for the examination of materials

Info

Publication number
GB1373807A
GB1373807A GB4940471A GB4940471A GB1373807A GB 1373807 A GB1373807 A GB 1373807A GB 4940471 A GB4940471 A GB 4940471A GB 4940471 A GB4940471 A GB 4940471A GB 1373807 A GB1373807 A GB 1373807A
Authority
GB
United Kingdom
Prior art keywords
photo
detectors
radiation
filters
filtered
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
GB4940471A
Other languages
English (en)
Inventor
P M Typpo
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.)
DATEX Oy
Original Assignee
DATEX Oy
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 DATEX Oy filed Critical DATEX Oy
Publication of GB1373807A publication Critical patent/GB1373807A/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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (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)
  • Paper (AREA)
GB4940471A 1970-11-04 1971-10-25 Method and device for the examination of materials Expired GB1373807A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI296270A FI44862C (fi) 1970-11-04 1970-11-04 Menetelmä ja laite tutkittaessa kiinteitä aineita ja nesteitä niiden säteilyabsorptioon perustuen

Publications (1)

Publication Number Publication Date
GB1373807A true GB1373807A (en) 1974-11-13

Family

ID=8507825

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4940471A Expired GB1373807A (en) 1970-11-04 1971-10-25 Method and device for the examination of materials

Country Status (7)

Country Link
JP (1) JPS479000A (enrdf_load_stackoverflow)
CA (1) CA964487A (enrdf_load_stackoverflow)
CH (1) CH526102A (enrdf_load_stackoverflow)
FI (1) FI44862C (enrdf_load_stackoverflow)
FR (1) FR2112917A5 (enrdf_load_stackoverflow)
GB (1) GB1373807A (enrdf_load_stackoverflow)
SE (1) SE375855B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4840706A (en) * 1983-09-26 1989-06-20 The Wiggins Teape Group Limited Method and apparatus for measuring water content

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5591891U (enrdf_load_stackoverflow) * 1978-12-21 1980-06-25
CN101983329A (zh) 2008-04-01 2011-03-02 国立大学法人丰桥技术科学大学 辨别过滤装置、对象辨别方法、以及辨别过滤装置的过滤器的设计方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4840706A (en) * 1983-09-26 1989-06-20 The Wiggins Teape Group Limited Method and apparatus for measuring water content

Also Published As

Publication number Publication date
CH526102A (de) 1972-07-31
FI44862C (fi) 1972-01-10
FR2112917A5 (enrdf_load_stackoverflow) 1972-06-23
DE2128273A1 (de) 1972-05-18
SE375855B (enrdf_load_stackoverflow) 1975-04-28
FI44862B (enrdf_load_stackoverflow) 1971-09-30
DE2128273B2 (de) 1975-11-20
JPS479000A (enrdf_load_stackoverflow) 1972-05-10
CA964487A (en) 1975-03-18

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Legal Events

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