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
• • 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
  • G01N21/3577—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water
• • 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
  • G01N33/26—Oils; Viscous liquids; Paints; Inks
  • G01N33/28—Oils, i.e. hydrocarbon liquids
  • G01N33/2829—Mixtures of fuels

Landscapes

• Physics & Mathematics (AREA)
• Chemical & Material Sciences (AREA)
• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Spectroscopy & Molecular Physics (AREA)
• Analytical Chemistry (AREA)
• Biochemistry (AREA)
• General Health & Medical Sciences (AREA)
• General Physics & Mathematics (AREA)
• Immunology (AREA)
• Pathology (AREA)
• Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Food Science & Technology (AREA)
• Medicinal Chemistry (AREA)
• General Chemical & Material Sciences (AREA)
• Investigating Or Analysing Materials By Optical Means (AREA)
• Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
• Electrical Control Of Ignition Timing (AREA)
• Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
• Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
• Paper (AREA)
• Eye Examination Apparatus (AREA)
• Spectrometry And Color Measurement (AREA)
• Saccharide Compounds (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=23593973

Family Applications (1)

Country Status (16)

Families Citing this family (89)

Family Cites Families (5)

• 1989
  • 1989-09-01 US US07/402,959 patent/US4963745A/en not_active Expired - Lifetime
• 1990
  • 1990-07-20 HU HU9200684A patent/HU217483B/hu not_active IP Right Cessation
  • 1990-07-20 CA CA002064833A patent/CA2064833C/en not_active Expired - Fee Related
  • 1990-07-20 EP EP90911386A patent/EP0489748B2/en not_active Expired - Lifetime
  • 1990-07-20 AU AU60457/90A patent/AU636635B2/en not_active Ceased
  • 1990-07-20 KR KR1019910700003A patent/KR940002499B1/ko not_active IP Right Cessation
  • 1990-07-20 WO PCT/US1990/004110 patent/WO1991003726A1/en active IP Right Grant
  • 1990-07-20 RO RO92-200220A patent/RO109484B1/ro unknown
  • 1990-07-20 JP JP2510613A patent/JPH06105219B2/ja not_active Expired - Lifetime
  • 1990-07-20 AT AT90911386T patent/ATE94281T1/de active
  • 1990-07-20 DK DK90911386T patent/DK0489748T4/da active
  • 1990-07-20 DE DE90911386T patent/DE69003245T2/de not_active Expired - Fee Related
  • 1990-07-20 BR BR909007626A patent/BR9007626A/pt not_active IP Right Cessation
• 1992
  • 1992-02-28 FI FI920921A patent/FI101105B/fi active
  • 1992-02-28 NO NO920806A patent/NO303992B1/no not_active IP Right Cessation
  • 1992-03-31 BG BG096160A patent/BG96160A/bg unknown

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