Classifications

• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
  • C01B21/00—Nitrogen; Compounds thereof
  • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
  • C01B21/24—Nitric oxide (NO)
  • C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
  • C01B21/262—Preparation by catalytic or non-catalytic oxidation of ammonia obtaining nitrogen dioxide or tetroxide
• • 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
  • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
  • G01N21/76—Chemiluminescence; Bioluminescence
  • G01N21/766—Chemiluminescence; Bioluminescence of gases
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
  • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
• • 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
  • G01N33/0011—Sample conditioning
  • G01N33/0013—Sample conditioning by a chemical reaction
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T436/00—Chemistry: analytical and immunological testing
  • Y10T436/17—Nitrogen containing
  • Y10T436/177692—Oxides of nitrogen
  • Y10T436/178459—Only nitrogen dioxide

Landscapes

• Chemical & Material Sciences (AREA)
• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Analytical Chemistry (AREA)
• Biochemistry (AREA)
• General Health & Medical Sciences (AREA)
• Engineering & Computer Science (AREA)
• Immunology (AREA)
• Pathology (AREA)
• Organic Chemistry (AREA)
• Inorganic Chemistry (AREA)
• Plasma & Fusion (AREA)
• Combustion & Propulsion (AREA)
• Food Science & Technology (AREA)
• Medicinal Chemistry (AREA)
• Molecular Biology (AREA)
• Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
• Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=23002191

Family Applications (1)

Country Status (9)

Cited By (1)

Families Citing this family (18)

Family Cites Families (7)

• 1972
  • 1972-06-16 US US263543A patent/US3870468A/en not_active Expired - Lifetime
• 1973
  • 1973-05-04 GB GB2128273A patent/GB1380542A/en not_active Expired
  • 1973-05-17 IT IT24260/73A patent/IT998110B/it active
  • 1973-05-22 FR FR7318582A patent/FR2189314B1/fr not_active Expired
  • 1973-05-24 CA CA172,094A patent/CA984578A/en not_active Expired
  • 1973-06-01 CH CH793773A patent/CH585153A5/xx not_active IP Right Cessation
  • 1973-06-13 DE DE2330084A patent/DE2330084C3/de not_active Expired
  • 1973-06-15 NL NL7308344A patent/NL7308344A/xx active Search and Examination
  • 1973-06-15 SE SE7308484A patent/SE398739B/sv unknown

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