NO20052709L - NIR spektroskopimetode for a analysere kjemiske prosesskomponenter - Google Patents

NIR spektroskopimetode for a analysere kjemiske prosesskomponenter

Info

Publication number
NO20052709L
NO20052709L NO20052709A NO20052709A NO20052709L NO 20052709 L NO20052709 L NO 20052709L NO 20052709 A NO20052709 A NO 20052709A NO 20052709 A NO20052709 A NO 20052709A NO 20052709 L NO20052709 L NO 20052709L
Authority
NO
Norway
Prior art keywords
nir
chemical process
probe
spectrograph
white light
Prior art date
Application number
NO20052709A
Other languages
English (en)
Other versions
NO20052709D0 (no
Inventor
Hassan A Hamza
Tadeusz Dabros
Yicheng Long
Original Assignee
Ca Minister Natural Resources
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 Ca Minister Natural Resources filed Critical Ca Minister Natural Resources
Publication of NO20052709D0 publication Critical patent/NO20052709D0/no
Publication of NO20052709L publication Critical patent/NO20052709L/no

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
    • G01N21/35—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
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G01N21/8507—Probe photometers, i.e. with optical measuring part dipped into fluid sample

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)

Abstract

En fremgangsmåte er beskrevet for å tilveiebringe raske online analyser av kjemiske sammensetninger slik som kjemiske prosesstrømmer, anvendende nær-infrarødt (NIR) spektroskopi i kombinasjon med kjemometri. I fremgangsmåten er en database tileveiebrakt for hver type av analyse som skal utføres, ved å analsyere en serie prøver anvendende standard laboratorium analytiske prosedyrer, anvendende resultatene som referanseverdier for å etablere kvantitative kalibreringsmodeller fra NIR-spektroskopi anvendende kjemometriske teknikker og ved å lagre denne informasjonen i en datamaskin database. Et NIR-spektroskopisk system er også tilveiebrakt som omfatter en transflektans eller en overføringssonde koblet via fiberoptiske kabler til en stabil hvit lyskilde og en spektrograf. Sonden settes inn i en testprøve eller kjemisk prosesstrøm som skal analyseres, et stabilt hvitt lys valgt fra et bølgelengdeområde stråles til sonden og spektrene oppnådd på spektrografen registreres. Til slutt blir de oppnådde spektrene korrelert til referansedata lagret i datamaskinen for å oppnå rask måling av den ønskede analysen.
NO20052709A 2002-11-06 2005-06-06 NIR spektroskopimetode for a analysere kjemiske prosesskomponenter NO20052709L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US42397502P 2002-11-06 2002-11-06
PCT/CA2003/001575 WO2004042375A1 (en) 2002-11-06 2003-10-15 Nir spectroscopy method for analyzing chemical process components

Publications (2)

Publication Number Publication Date
NO20052709D0 NO20052709D0 (no) 2005-06-06
NO20052709L true NO20052709L (no) 2005-08-08

Family

ID=32312733

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20052709A NO20052709L (no) 2002-11-06 2005-06-06 NIR spektroskopimetode for a analysere kjemiske prosesskomponenter

Country Status (5)

Country Link
US (1) US7067811B2 (no)
EP (1) EP1563280A1 (no)
CA (1) CA2503610C (no)
NO (1) NO20052709L (no)
WO (1) WO2004042375A1 (no)

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Also Published As

Publication number Publication date
EP1563280A1 (en) 2005-08-17
US20040084623A1 (en) 2004-05-06
US7067811B2 (en) 2006-06-27
CA2503610C (en) 2011-08-02
NO20052709D0 (no) 2005-06-06
CA2503610A1 (en) 2004-05-21
WO2004042375A1 (en) 2004-05-21

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