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
  • G01N33/0004—Gaseous mixtures, e.g. polluted air
  • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
  • G01N33/0022—General constructional details of gas analysers, e.g. portable test equipment using a number of analysing channels
  • G01N33/0024—General constructional details of gas analysers, e.g. portable test equipment using a number of analysing channels a chemical reaction taking place or a gas being eliminated in one or more channels
• • 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
  • G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light

Landscapes

• Chemical & Material Sciences (AREA)
• Physics & Mathematics (AREA)
• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• General Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Analytical Chemistry (AREA)
• Biochemistry (AREA)
• General Health & Medical Sciences (AREA)
• Immunology (AREA)
• Pathology (AREA)
• Spectroscopy & Molecular Physics (AREA)
• Food Science & Technology (AREA)
• Medicinal Chemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Combustion & Propulsion (AREA)
• Investigating Or Analysing Materials By Optical Means (AREA)

Applications Claiming Priority (1)

Publications (2)

Family

ID=21972573

Family Applications (1)

Country Status (7)

Families Citing this family (15)

• 1980
  • 1980-06-20 IT IT22887/80A patent/IT1131364B/en active
  • 1980-06-20 GB GB8020326A patent/GB2054843A/en not_active Withdrawn
  • 1980-06-23 FR FR8013854A patent/FR2459968A1/en not_active Withdrawn
  • 1980-06-24 CA CA000354667A patent/CA1140772A/en not_active Expired
  • 1980-06-24 DE DE19803023625 patent/DE3023625A1/en not_active Withdrawn
  • 1980-06-24 NL NL8003651A patent/NL8003651A/en not_active Application Discontinuation
  • 1980-06-25 JP JP8526780A patent/JPS567039A/en active Pending
  • 1980-06-25 JP JP8526680A patent/JPS567038A/en active Pending

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