BR7903020A - Processo para medicao do teor de uma substancia em uma mistura de varias substancias, em forma de uma delgada pelicula, por exemplo para medir o teor de agua contida em papel - Google Patents

Processo para medicao do teor de uma substancia em uma mistura de varias substancias, em forma de uma delgada pelicula, por exemplo para medir o teor de agua contida em papel

Info

Publication number
BR7903020A
BR7903020A BR7903020A BR7903020A BR7903020A BR 7903020 A BR7903020 A BR 7903020A BR 7903020 A BR7903020 A BR 7903020A BR 7903020 A BR7903020 A BR 7903020A BR 7903020 A BR7903020 A BR 7903020A
Authority
BR
Brazil
Prior art keywords
content
substance
paper
measure
measuring
Prior art date
Application number
BR7903020A
Other languages
English (en)
Inventor
P Mercer
Original Assignee
Lippke Gmbh & Co Kg
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 filed Critical Lippke Gmbh & Co Kg
Publication of BR7903020A publication Critical patent/BR7903020A/pt

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)
BR7903020A 1979-03-19 1979-05-16 Processo para medicao do teor de uma substancia em uma mistura de varias substancias, em forma de uma delgada pelicula, por exemplo para medir o teor de agua contida em papel BR7903020A (pt)

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 (1)

Publication Number Publication Date
BR7903020A true BR7903020A (pt) 1980-11-18

Family

ID=6065761

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7903020A BR7903020A (pt) 1979-03-19 1979-05-16 Processo para medicao do teor de uma substancia em uma mistura de varias substancias, em forma de uma delgada pelicula, por exemplo para medir o teor de agua contida em papel

Country Status (7)

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

Families Citing this family (28)

* 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
DE3673401D1 (de) * 1985-10-22 1990-09-13 Deutsche Forsch Luft Raumfahrt 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
BR9406736A (pt) * 1993-06-02 1996-02-06 Allied Signal Inc Processo para medição e controle contínuos do grau de cura e do teor de resina de uma folha em movimento de "prepreg" de resina epóxi reforçada com fibra de vidro parcialmente curada
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
FI125721B (en) * 2012-05-25 2016-01-29 Valmet Automation Oy Apparatus and method for measuring an object comprising a cellulosic material and at least one dye containing printing ink
FI125514B (en) * 2012-05-25 2015-11-13 Valmet Automation Oy Device and method for measuring a web containing cellulose and possibly lignin
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

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
DE1934919B2 (de) * 1969-07-10 1971-02-25 Fneseke & Hoepfner GmbH 852OEr langen Verfahren und vorrichtung zur beruehrungslosen messung der prozentualen konzentration von wasser oder einer ande ren 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

Also Published As

Publication number Publication date
SE7906518L (sv) 1980-09-20
NO156105C (no) 1987-08-05
GB2044443B (en) 1983-04-20
FR2452099A1 (fr) 1980-10-17
NO800638L (no) 1980-09-22
DK114080A (da) 1980-09-20
SE441217B (sv) 1985-09-16
DE2910673C2 (de) 1985-08-08
GB2044443A (en) 1980-10-15
NO156105B (no) 1987-04-13
DE2910673A1 (de) 1980-09-25
FR2452099B1 (pt) 1983-07-08

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