GB2044443B - Method of measuring the content of a substance in a film comprising at least one other substance - Google Patents

Method of measuring the content of a substance in a film comprising at least one other substance

Info

Publication number
GB2044443B
GB2044443B GB7929418A GB7929418A GB2044443B GB 2044443 B GB2044443 B GB 2044443B GB 7929418 A GB7929418 A GB 7929418A GB 7929418 A GB7929418 A GB 7929418A GB 2044443 B GB2044443 B GB 2044443B
Authority
GB
United Kingdom
Prior art keywords
substance
measuring
film
content
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
GB7929418A
Other languages
English (en)
Other versions
GB2044443A (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.)
LIPPKE GmbH CO KG PAUL
Original Assignee
LIPPKE GmbH CO KG PAUL
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 LIPPKE GmbH CO KG PAUL filed Critical LIPPKE GmbH CO KG PAUL
Publication of GB2044443A publication Critical patent/GB2044443A/en
Application granted granted Critical
Publication of GB2044443B publication Critical patent/GB2044443B/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)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Paper (AREA)
GB7929418A 1979-03-19 1979-08-23 Method of measuring the content of a substance in a film comprising at least one other substance Expired GB2044443B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2910673A DE2910673C2 (de) 1979-03-19 1979-03-19 Verfahren zum berührungslosen Messen des absoluten Gehaltes eines Stoffes(Beisubstanz) in einer die Form eines dünnen Filmes aufweisenden Mischung(Hauptsubstanz und Beisubstanz) mehrerer Stoffe, insbesondere zum Messen des absoluten Gehaltes von Wasser in Papier

Publications (2)

Publication Number Publication Date
GB2044443A GB2044443A (en) 1980-10-15
GB2044443B true GB2044443B (en) 1983-04-20

Family

ID=6065761

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7929418A Expired GB2044443B (en) 1979-03-19 1979-08-23 Method of measuring the content of a substance in a film comprising at least one other substance

Country Status (7)

Country Link
BR (1) BR7903020A (enExample)
DE (1) DE2910673C2 (enExample)
DK (1) DK114080A (enExample)
FR (1) FR2452099A1 (enExample)
GB (1) GB2044443B (enExample)
NO (1) NO156105C (enExample)
SE (1) SE441217B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013175072A1 (en) * 2012-05-25 2013-11-28 Metso Automation Oy Moisture measurement
CN104390880A (zh) * 2014-11-02 2015-03-04 中南林业科技大学 一种木材含水率快速检测方法

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60620B2 (ja) * 1979-05-21 1985-01-09 横河電機株式会社 紙の水分量を測定する方法および装置
FI824185L (fi) * 1981-12-07 1983-06-08 Valmet Oy Optiskt foerfarande och optisk anordning foer maetning av konsistensen av massasuspension
GB8325691D0 (en) * 1983-09-26 1983-10-26 Wiggins Teape Group Ltd Measuring water content
US5778041A (en) * 1983-10-13 1998-07-07 Honeywell-Measurex Corporation System and process for measuring ash in paper
US4577104A (en) * 1984-01-20 1986-03-18 Accuray Corporation Measuring the percentage or fractional moisture content of paper having a variable infrared radiation scattering characteristic and containing a variable amount of a broadband infrared radiation absorber
US4769544A (en) * 1984-06-01 1988-09-06 Measurex Corporation System and process for measuring fiberglass
EP0243375B1 (de) * 1985-10-22 1990-08-08 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren und vorrichtung zur konzentrationsbestimmung
DE3643764A1 (de) * 1986-12-20 1988-06-30 Lippke Gmbh Co Kg Paul Verfahren zur selektiven fuellstoffmessung an laufenden materialbahnen, insbesondere papierbahnen
US4928013A (en) * 1987-02-17 1990-05-22 Measurex Corporation Temperature insensitive moisture sensor
US4805623A (en) * 1987-09-04 1989-02-21 Vander Corporation Spectrophotometric method for quantitatively determining the concentration of a dilute component in a light- or other radiation-scattering environment
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
US5014288A (en) * 1989-04-20 1991-05-07 Measurex Corporation X-ray coating weight controller and sensor
CA2038704C (en) * 1990-04-26 1996-01-30 Ryuji Chiba Infrared ray moisture meter
EP0483607B1 (de) * 1990-11-02 1997-04-23 Maschinenfabrik Rieter Ag Verfahren zum Feststellen einer Eigenschaft eines Faserverbandes
US5124552A (en) * 1991-01-28 1992-06-23 Measurex Corporation Sensor and method for measuring web moisture with optimal temperature insensitivity over a wide basis weight range
GB9107815D0 (en) * 1991-04-12 1991-05-29 Servomex Uk Ltd Apparatus and method for improving the performance of a single beam photometer
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
US5399859A (en) * 1993-05-24 1995-03-21 Courtaulds Fibres (Holdings) Limited Flow meter
WO1994029698A1 (en) * 1993-06-02 1994-12-22 Alliedsignal Inc. Process for measurement of the degree of cure and percent resin of fiberglass-reinforced epoxy resin prepreg
US5457319A (en) * 1993-06-02 1995-10-10 Alliedsignal Inc. Process for measurement of the degree of cure and percent resin of glass-fiber reinforced epoxy resin prepreg
US6229612B1 (en) * 1998-10-12 2001-05-08 The Regents Of The University Of California Paper area density measurement from forward transmitted scattered light
FI115856B (fi) * 2000-02-10 2005-07-29 Metso Automation Oy Menetelmä ja laite päällysteen mittaamiseksi
GB2365964B (en) * 2000-03-24 2002-07-10 Innogy Ltd Membrane moisture measurement
US7088456B2 (en) * 2004-04-24 2006-08-08 Honeywell International Inc. Thin film thickness measurement using multichannel infrared sensor
FI125514B (en) * 2012-05-25 2015-11-13 Valmet Automation Oy Apparatus and method for measuring a web containing cellulose and optionally lignin

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3405268A (en) * 1965-03-12 1968-10-08 Brun Sensor Systems Inc Radiant energy absorption gage for measuring the weight of a base material and the content of a material sorbed by the base material
US3551678A (en) * 1967-02-13 1970-12-29 Sybron Corp Paper parameter measurement using infrared radiation
DE1934919A1 (de) * 1969-07-10 1971-02-25 Frieseke & Hoepfner Gmbh Verfahren und Vorrichtung zur beruehrungslosen Messung der prozentualen Konzentration von Wasser oder einer anderen Substanz in bewegten Messgutbahnen
US3790796A (en) * 1972-06-05 1974-02-05 Infra Systems Inc Method and apparatus for measurement of sheet opacity
DE2724919C3 (de) * 1977-06-02 1979-12-06 Paul Lippke Gmbh & Co Kg, 5450 Neuwied Verfahren zum Messen physikalischer Eigenschaften dünner Körper mit HiUe von Ultrarot-Strahlung, z.B. zur Dickenmessung oder Feuchtigkeitsmessung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013175072A1 (en) * 2012-05-25 2013-11-28 Metso Automation Oy Moisture measurement
EP2856112A4 (en) * 2012-05-25 2015-06-03 Metso Automation Oy MOISTURE MEASUREMENT
CN104390880A (zh) * 2014-11-02 2015-03-04 中南林业科技大学 一种木材含水率快速检测方法

Also Published As

Publication number Publication date
SE7906518L (sv) 1980-09-20
BR7903020A (pt) 1980-11-18
NO156105B (no) 1987-04-13
DE2910673C2 (de) 1985-08-08
FR2452099B1 (enExample) 1983-07-08
SE441217B (sv) 1985-09-16
NO800638L (no) 1980-09-22
GB2044443A (en) 1980-10-15
FR2452099A1 (fr) 1980-10-17
NO156105C (no) 1987-08-05
DE2910673A1 (de) 1980-09-25
DK114080A (da) 1980-09-20

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Legal Events

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

Effective date: 19940823