JPH043346U - - Google Patents

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Publication number
JPH043346U
JPH043346U JP4327890U JP4327890U JPH043346U JP H043346 U JPH043346 U JP H043346U JP 4327890 U JP4327890 U JP 4327890U JP 4327890 U JP4327890 U JP 4327890U JP H043346 U JPH043346 U JP H043346U
Authority
JP
Japan
Prior art keywords
oxidation catalyst
atmosphere
oxidation
gas
hydrocarbons
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.)
Granted
Application number
JP4327890U
Other languages
English (en)
Other versions
JPH089634Y2 (ja
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 filed Critical
Priority to JP1990043278U priority Critical patent/JPH089634Y2/ja
Publication of JPH043346U publication Critical patent/JPH043346U/ja
Application granted granted Critical
Publication of JPH089634Y2 publication Critical patent/JPH089634Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Investigating Or Analysing Materials By Optical Means (AREA)

Description

【図面の簡単な説明】
図面は本考案の実施例を示し、第１図は第１実
施例の構成図、第２図は第２実施例の構成図、第
３図は第３実施例の構成図、第４図は酸化触媒の
温度と各種ハイドロカーボンの酸化率の変化を表
す図である。 ３……酸化触媒、４……干渉補償形検出器を備
えたガス分析計、２３……第１酸化触媒、２４…
…干渉補償形検出器を備えた差量測定式ガス分析
計、３７……第２酸化触媒。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 大気中のＣＨ４をほとんど酸化しないで、
    他のハイドロカーボンを酸化する温度の酸化触媒
    が設けられ、この酸化触媒を通過したサンプルガ
    スを干渉補償形検出器を備えたガス分析計で分析
    し、干渉成分の影響を補正してＣＨ４濃度を測定
    する大気中のＣＨ４濃度測定装置。 (2) 大気中のＣＨ４をほとんど酸化しないで、
    他のハイドロカーボンを酸化する温度の第１酸化
    触媒と、大気中のすべてのハイドロカーボンを酸
    化する温度の第２酸化触媒とが設けられ、前記第
    １酸化触媒を通過した大気を測定ガスとし、第１
    酸化触媒と第２酸化触媒とを通過した大気を比較
    ガスとして、干渉補償形検出器を備えた差量測定
    式ガス分析計で、干渉成分の影響を補正してＣＨ
    ４濃度を測定する大気中のＣＨ４濃度測定装置。
JP1990043278U 1990-04-23 1990-04-23 大気中のｃｈ▲下４▼濃度測定装置 Expired - Lifetime JPH089634Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990043278U JPH089634Y2 (ja) 1990-04-23 1990-04-23 大気中のｃｈ▲下４▼濃度測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990043278U JPH089634Y2 (ja) 1990-04-23 1990-04-23 大気中のｃｈ▲下４▼濃度測定装置

Publications (2)

Publication Number Publication Date
JPH043346U true JPH043346U (ja) 1992-01-13
JPH089634Y2 JPH089634Y2 (ja) 1996-03-21

Family

ID=31555559

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990043278U Expired - Lifetime JPH089634Y2 (ja) 1990-04-23 1990-04-23 大気中のｃｈ▲下４▼濃度測定装置

Country Status (1)

Country Link
JP (1) JPH089634Y2 (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49116190U (ja) * 1973-01-30 1974-10-03
JPS5616847A (en) * 1979-07-20 1981-02-18 Horiba Ltd Nondispersion type infrared-ray analysis meter
JPH01176938A (ja) * 1987-12-30 1989-07-13 Horiba Ltd マルチ流体変調方式を用いたノンメタンｈｃ測定装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49116190U (ja) * 1973-01-30 1974-10-03
JPS5616847A (en) * 1979-07-20 1981-02-18 Horiba Ltd Nondispersion type infrared-ray analysis meter
JPH01176938A (ja) * 1987-12-30 1989-07-13 Horiba Ltd マルチ流体変調方式を用いたノンメタンｈｃ測定装置

Also Published As

Publication number Publication date
JPH089634Y2 (ja) 1996-03-21

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