GB1366235A - Method for measuring nitrogen oxides in pollution air and device for performing the same method - Google Patents

Method for measuring nitrogen oxides in pollution air and device for performing the same method

Info

Publication number
GB1366235A
GB1366235A GB2286173A GB2286173A GB1366235A GB 1366235 A GB1366235 A GB 1366235A GB 2286173 A GB2286173 A GB 2286173A GB 2286173 A GB2286173 A GB 2286173A GB 1366235 A GB1366235 A GB 1366235A
Authority
GB
United Kingdom
Prior art keywords
cavity
measured
sample
adsorber
stark
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB2286173A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sagami Chemical Research Institute
Original Assignee
Sagami Chemical Research Institute
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
Priority claimed from JP4853772A external-priority patent/JPS5520186B2/ja
Priority claimed from JP9119072A external-priority patent/JPS5243798B2/ja
Priority claimed from JP47091189A external-priority patent/JPS5230958B2/ja
Application filed by Sagami Chemical Research Institute filed Critical Sagami Chemical Research Institute
Publication of GB1366235A publication Critical patent/GB1366235A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/60—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using electron paramagnetic resonance
    • 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
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/0037—NOx
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
GB2286173A 1972-05-18 1973-05-14 Method for measuring nitrogen oxides in pollution air and device for performing the same method Expired GB1366235A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP4853772A JPS5520186B2 (enrdf_load_stackoverflow) 1972-05-18 1972-05-18
JP9119072A JPS5243798B2 (enrdf_load_stackoverflow) 1972-09-13 1972-09-13
JP47091189A JPS5230958B2 (enrdf_load_stackoverflow) 1972-09-13 1972-09-13

Publications (1)

Publication Number Publication Date
GB1366235A true GB1366235A (en) 1974-09-11

Family

ID=27293325

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2286173A Expired GB1366235A (en) 1972-05-18 1973-05-14 Method for measuring nitrogen oxides in pollution air and device for performing the same method

Country Status (2)

Country Link
FR (1) FR2185334A5 (enrdf_load_stackoverflow)
GB (1) GB1366235A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013164627A1 (en) * 2012-05-02 2013-11-07 Heriot-Watt University Microwave cavity sensor
CN114008441A (zh) * 2019-04-03 2022-02-01 皮可摩尔公司 光谱系统和执行光谱的方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013164627A1 (en) * 2012-05-02 2013-11-07 Heriot-Watt University Microwave cavity sensor
US10024806B2 (en) 2012-05-02 2018-07-17 Heriot-Watt University Microwave cavity sensor
CN114008441A (zh) * 2019-04-03 2022-02-01 皮可摩尔公司 光谱系统和执行光谱的方法
CN114008441B (zh) * 2019-04-03 2024-10-29 皮可摩尔公司 光谱系统和执行光谱的方法

Also Published As

Publication number Publication date
FR2185334A5 (enrdf_load_stackoverflow) 1973-12-28
DE2325053A1 (de) 1973-11-22
DE2325053B2 (de) 1975-05-28

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee