SE9401707L - Spektrofotometrisk metod att mäta kvalitets och styrke parametrar hos träd, virke trävaror, flis, spån, massa och papper - Google Patents

Spektrofotometrisk metod att mäta kvalitets och styrke parametrar hos träd, virke trävaror, flis, spån, massa och papper

Info

Publication number
SE9401707L
SE9401707L SE9401707A SE9401707A SE9401707L SE 9401707 L SE9401707 L SE 9401707L SE 9401707 A SE9401707 A SE 9401707A SE 9401707 A SE9401707 A SE 9401707A SE 9401707 L SE9401707 L SE 9401707L
Authority
SE
Sweden
Prior art keywords
parameters
chips
trees
pulp
fibre products
Prior art date
Application number
SE9401707A
Other languages
English (en)
Swedish (sv)
Other versions
SE9401707D0 (sv
Inventor
Christer Bjoerklund
Mikael Karlsson
Ralf Olsson
Kjell Sjoeberg
Original Assignee
Christer Bjoerklund
Mikael Karlsson
Ralf Olsson
Kjell Sjoeberg
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 Christer Bjoerklund, Mikael Karlsson, Ralf Olsson, Kjell Sjoeberg filed Critical Christer Bjoerklund
Priority to SE9401707A priority Critical patent/SE9401707L/
Publication of SE9401707D0 publication Critical patent/SE9401707D0/xx
Priority to AU25827/95A priority patent/AU2582795A/en
Priority to EP95920348A priority patent/EP0723656A1/en
Priority to PCT/SE1995/000560 priority patent/WO1995031710A1/en
Publication of SE9401707L publication Critical patent/SE9401707L/

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34—Paper
    • G01N33/343—Paper pulp
    • 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
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
    • 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
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light

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)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
SE9401707A 1994-05-18 1994-05-18 Spektrofotometrisk metod att mäta kvalitets och styrke parametrar hos träd, virke trävaror, flis, spån, massa och papper SE9401707L (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9401707A SE9401707L (sv) 1994-05-18 1994-05-18 Spektrofotometrisk metod att mäta kvalitets och styrke parametrar hos träd, virke trävaror, flis, spån, massa och papper
AU25827/95A AU2582795A (en) 1994-05-18 1995-05-17 Spectrophotometric method to measure quality and strength parameters in trees, lumber, timber, chips, saw dust, pulp and paper
EP95920348A EP0723656A1 (en) 1994-05-18 1995-05-17 Spectrophotometric method to measure quality and strength parameters in trees, lumber, timber, chips, saw dust, pulp and paper
PCT/SE1995/000560 WO1995031710A1 (en) 1994-05-18 1995-05-17 Spectrophotometric method to measure quality and strength parameters in trees, lumber, timber, chips, saw dust, pulp and paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9401707A SE9401707L (sv) 1994-05-18 1994-05-18 Spektrofotometrisk metod att mäta kvalitets och styrke parametrar hos träd, virke trävaror, flis, spån, massa och papper

Publications (2)

Publication Number Publication Date
SE9401707D0 SE9401707D0 (sv) 1994-05-18
SE9401707L true SE9401707L (sv) 1995-11-19

Family

ID=20394039

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9401707A SE9401707L (sv) 1994-05-18 1994-05-18 Spektrofotometrisk metod att mäta kvalitets och styrke parametrar hos träd, virke trävaror, flis, spån, massa och papper

Country Status (4)

Country Link
EP (1) EP0723656A1 ( )
AU (1) AU2582795A ( )
SE (1) SE9401707L ( )
WO (1) WO1995031710A1 ( )

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0967326B1 (de) 1998-06-22 2006-12-13 Siemens Aktiengesellschaft Verfahren zur Prozessführung und Prozessoptimierung bei der Herstellung von Fasermatten und/oder Faserplatten
DE19827743C2 (de) * 1998-06-22 2002-03-28 Siemens Ag Verfahren und Vorrichtung zur Steuerung und/oder Regelung eines holzverarbeitenden Prozesses
FI110545B (fi) 1998-10-28 2003-02-14 Valtion Teknillinen Puuaineksen mittausmenetelmä ja -järjestely
SE523308E (sv) 2000-03-02 2007-12-27 Valmet Fibertech Ab Förfarande för kontinuerlig bestämning av egenskaper hos ett trägiberflöde för träfiberskiveframställning
SE516232C2 (sv) 2000-04-14 2001-12-03 Stora Kopparbergs Bergslags Ab Sätt vid framställning av massa samt produkt av sättet
AU2001234954A1 (en) * 2000-06-28 2002-01-08 Midwest Research Institute Use of a region of the visible and near infrared spectrum to predict mechanical properties of wet wood and standing trees
DE10041071C2 (de) * 2000-08-22 2002-09-26 Siemens Ag Verfahren zur Überwachung von thermo-mechanischen Holzaufschlussprozessen
GB0102688D0 (en) * 2001-02-02 2001-03-21 Enigma Nv Method for assessing remaining useful life and overall quality of laminating paper
EP1859253B1 (en) * 2005-03-04 2012-09-12 FPInnovations Method for determining chemical pulp kappa number with visible-near infrared spectrometry, and means therefor
GB0509671D0 (en) * 2005-05-12 2005-06-15 Scottish Crop Res Inst Analysis of wood
US7324904B2 (en) 2005-12-21 2008-01-29 Weyerhauser Company Methods for determining dimensional stability of wood products utilizing single and multiple sensor groups
US7584652B2 (en) 2005-12-21 2009-09-08 Weyerhaeuser Nr Company Methods of rapidly simulating in-service warp distortion of a wood product and/or rapidly estimating shrinkage properties using electromagnetic energy
US7286956B2 (en) 2005-12-21 2007-10-23 Weyerhaeuser Company Methods of estimating the dimensional stability of a wood product from simple algebraic functions of moisture, shrinkage rates and grain angles
AT504893B1 (de) * 2007-06-18 2008-09-15 Kompetenzzentrum Holz Gmbh Verfahren zum bestimmen der zusammensetzung von faserstoffgemischen und/oder formteilen
CN101900673A (zh) * 2010-06-02 2010-12-01 北京林业大学 一种在线无损检测纸张性能的方法
CN102605663A (zh) * 2012-03-20 2012-07-25 湖南骏泰浆纸有限责任公司 一种木片流量监控系统及稳定制浆连续蒸煮的方法
DE102015005379B4 (de) * 2015-04-23 2017-06-01 Christoph Cramer Verfahren zum Herstellen von Platten, Scheiben und anderen Körpern aus Birkenrindenstücken
CA3118401A1 (en) 2018-11-02 2020-05-07 Gcp Applied Technologies, Inc Cement production

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5104485A (en) * 1988-05-31 1992-04-14 Hercules Incorporated Method of measuring non-aqueous constituents in a pulp slurry of a water/cellulose matrix
US5121337A (en) * 1990-10-15 1992-06-09 Exxon Research And Engineering Company Method for correcting spectral data for data due to the spectral measurement process itself and estimating unknown property and/or composition data of a sample using such method
US5206701A (en) * 1991-09-20 1993-04-27 Amoco Corporation Apparatus for near-infrared spectrophotometric analysis
US5242602A (en) * 1992-03-04 1993-09-07 W. R. Grace & Co.-Conn. Spectrophotometric monitoring of multiple water treatment performance indicators using chemometrics

Also Published As

Publication number Publication date
AU2582795A (en) 1995-12-05
EP0723656A1 (en) 1996-07-31
WO1995031710A1 (en) 1995-11-23
SE9401707D0 (sv) 1994-05-18

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