JPH043346U - - Google Patents
Info
- 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
Links
- 230000003647 oxidation Effects 0.000 claims description 14
- 238000007254 oxidation reaction Methods 0.000 claims description 14
- 239000003054 catalyst Substances 0.000 claims description 11
- 229930195733 hydrocarbon Natural products 0.000 claims description 4
- 150000002430 hydrocarbons Chemical class 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
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。
The drawings show embodiments of the present invention; FIG. 1 is a block diagram of the first embodiment, FIG. 2 is a block diagram of the second embodiment, FIG. 3 is a block diagram of the third embodiment, and FIG. 4 is a block diagram of the third embodiment. FIG. 3 is a diagram showing changes in the temperature of an oxidation catalyst and the oxidation rate of various hydrocarbons. 3... Oxidation catalyst, 4... Gas analyzer equipped with an interference compensation type detector, 23... First oxidation catalyst, 24...
...Differential measurement gas analyzer equipped with an interference-compensated detector, 37...Second oxidation catalyst.
Claims (1)
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。[Claims for utility model registration] (1) Almost no oxidation of CH 4 in the atmosphere,
An oxidation catalyst is provided at a temperature that oxidizes other hydrocarbons, and the sample gas that has passed through this oxidation catalyst is analyzed by a gas analyzer equipped with an interference compensation type detector, and the influence of interference components is corrected to reduce the CH4 concentration. An atmospheric CH4 concentration measuring device. (2) Almost no oxidation of CH4 in the atmosphere,
A first oxidation catalyst at a temperature that oxidizes other hydrocarbons and a second oxidation catalyst at a temperature that oxidizes all hydrocarbons in the atmosphere are provided, and the atmosphere that has passed through the first oxidation catalyst is used as a measurement gas, 1st
Using the air that has passed through the oxidation catalyst and the second oxidation catalyst as a comparison gas, a differential measurement type gas analyzer equipped with an interference compensation type detector corrects the influence of interference components and calculates CH.
An atmospheric CH4 concentration measuring device that measures CH4 concentration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990043278U JPH089634Y2 (en) | 1990-04-23 | 1990-04-23 | Atmospheric CH ▲ Bottom 4 ▼ Concentration measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990043278U JPH089634Y2 (en) | 1990-04-23 | 1990-04-23 | Atmospheric CH ▲ Bottom 4 ▼ Concentration measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH043346U true JPH043346U (en) | 1992-01-13 |
| JPH089634Y2 JPH089634Y2 (en) | 1996-03-21 |
Family
ID=31555559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990043278U Expired - Lifetime JPH089634Y2 (en) | 1990-04-23 | 1990-04-23 | Atmospheric CH ▲ Bottom 4 ▼ Concentration measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH089634Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49116190U (en) * | 1973-01-30 | 1974-10-03 | ||
| JPS5616847A (en) * | 1979-07-20 | 1981-02-18 | Horiba Ltd | Nondispersion type infrared-ray analysis meter |
| JPH01176938A (en) * | 1987-12-30 | 1989-07-13 | Horiba Ltd | Non-methane hc measuring instrument using multi-liquid modulation system |
-
1990
- 1990-04-23 JP JP1990043278U patent/JPH089634Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49116190U (en) * | 1973-01-30 | 1974-10-03 | ||
| JPS5616847A (en) * | 1979-07-20 | 1981-02-18 | Horiba Ltd | Nondispersion type infrared-ray analysis meter |
| JPH01176938A (en) * | 1987-12-30 | 1989-07-13 | Horiba Ltd | Non-methane hc measuring instrument using multi-liquid modulation system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH089634Y2 (en) | 1996-03-21 |
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