FR2180350A5 - Infra red analyser - measures a material property by measuring IR absorb-tion - Google Patents

Infra red analyser - measures a material property by measuring IR absorb-tion

Info

Publication number
FR2180350A5
FR2180350A5 FR7312868A FR7312868A FR2180350A5 FR 2180350 A5 FR2180350 A5 FR 2180350A5 FR 7312868 A FR7312868 A FR 7312868A FR 7312868 A FR7312868 A FR 7312868A FR 2180350 A5 FR2180350 A5 FR 2180350A5
Authority
FR
France
Prior art keywords
rays
property
measuring
tion
absorb
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
FR7312868A
Other languages
English (en)
French (fr)
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.)
INFRA SYSTEMS Inc
Original Assignee
INFRA SYSTEMS Inc
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 INFRA SYSTEMS Inc filed Critical INFRA SYSTEMS Inc
Application granted granted Critical
Publication of FR2180350A5 publication Critical patent/FR2180350A5/fr
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)
FR7312868A 1972-04-10 1973-04-10 Infra red analyser - measures a material property by measuring IR absorb-tion Expired FR2180350A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24273072A 1972-04-10 1972-04-10

Publications (1)

Publication Number Publication Date
FR2180350A5 true FR2180350A5 (en) 1973-11-23

Family

ID=22915960

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7312868A Expired FR2180350A5 (en) 1972-04-10 1973-04-10 Infra red analyser - measures a material property by measuring IR absorb-tion

Country Status (4)

Country Link
JP (1) JPS4910782A (enrdf_load_stackoverflow)
DE (1) DE2318032A1 (enrdf_load_stackoverflow)
FR (1) FR2180350A5 (enrdf_load_stackoverflow)
IT (1) IT982680B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0990865A3 (de) * 1998-09-30 2001-12-05 Voith Paper Patent GmbH Messsystem zur Bestimmung des Feuchtigkeitsgehaltes einer Faserstoffbahn

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5949531B2 (ja) * 1979-09-10 1984-12-03 富士通株式会社 透水試験法
JPS58204336A (ja) * 1982-05-25 1983-11-29 Japan Tobacco Inc 赤外線水分測定装置
US4928013A (en) * 1987-02-17 1990-05-22 Measurex Corporation Temperature insensitive moisture sensor
JPH0648244B2 (ja) * 1988-10-25 1994-06-22 横河電機株式会社 坪量の影響を低減した赤外線水分計
JPH04286937A (ja) * 1991-03-15 1992-10-12 Shokuhin Sangyo Online Sensor Gijutsu Kenkyu Kumiai 水分測定方法およびその装置
US5338361A (en) * 1991-11-04 1994-08-16 Measurex Corporation Multiple coat measurement and control apparatus and method
US5276327A (en) * 1991-12-09 1994-01-04 Measurex Corporation Sensor and method for mesaurement of select components of a material
JP2917895B2 (ja) * 1996-03-14 1999-07-12 日本電気株式会社 光通信機能付き電子機器
DE19927452C2 (de) * 1999-06-16 2001-05-03 Wilhelm Rapp Vorrichtung zur Messung von Feuchtigkeit und Reflexionsvermögen von Oberflächen
BR0014767B1 (pt) 1999-10-15 2010-12-28 produto de fibra, processo para fabricação de produto de fibra, produto de papel, composição alimentìcia e processo para fabricação de produto alimentìcio.
DE102013104846B3 (de) * 2013-05-10 2014-06-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Bestimmung der Feuchtedurchlässigkeit einer Beschichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0990865A3 (de) * 1998-09-30 2001-12-05 Voith Paper Patent GmbH Messsystem zur Bestimmung des Feuchtigkeitsgehaltes einer Faserstoffbahn

Also Published As

Publication number Publication date
JPS4910782A (enrdf_load_stackoverflow) 1974-01-30
IT982680B (it) 1974-10-21
DE2318032A1 (de) 1973-10-31

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Legal Events

Date Code Title Description
ST Notification of lapse