Main Title |
Development of a simple auto exhaust analyzer / Liam Hiam and Saul Chaikin, Stanford Research Institute; prepared for Department of Health, Education, and Welfare; Bureau of State Services; Public Health Service. |
Author |
Hi, Leon ;
Chaiki, Saul ;
|
Other Authors |
|
CORP Author |
Stanford Research Inst., Menlo Park, Calif. |
Publisher |
Stanford Research Institute, |
Year Published |
1966 |
Report Number |
PB-187 770; EPA 100-R-66-001; PH-86-66-60; SRI-FMU-5859 |
Stock Number |
PB-187 770 |
OCLC Number |
60938215 |
Subjects |
Automobiles--Motors--Exhaust gas
|
Additional Subjects |
( Exhaust gases ;
Passenger vehicles) ;
( Gas detectors ;
Exhaust gases) ;
( Air pollution ;
Passenger vehicles) ;
Gas analysis ;
Hydrocarbons ;
Carbon monoxide ;
Filaments ;
Silicon dioxide ;
Adsorption ;
Automobiles ;
Automobile exhaust
|
Internet Access |
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
ELBD RPS |
EPA 100-R-66-001 |
repository copy |
AWBERC Library/Cincinnati,OH |
10/17/2014 |
ERAD |
030563 |
|
Region 9 Library/San Francisco,CA |
12/31/2009 |
NTIS |
PB-187 770 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
19 p. : ill. ; 28 cm. |
Abstract |
A laboratory evaluation was completed regarding the feasibility of applying a heated filament, combustible gas detector to the separate measurement of total hydrocarbons and carbon monoxide in auto exhaust. Of the several candidate filament materials tested, only two--oxidized rhodium and wire-supported cobalt oxide--showed any potential for making the required analyses on the basis of temperature, and these both lacked the required stability to be useful. Two procedures for making a preliminary separation of the components were evaluated: selective oxidation of carbon monoxide over Hopcalite, and selective adsorption of hydrocarbons on silica gel. Neither of these was appropriate for incorporation in a simplified exhaust analyzer. The final experimental effort, a compromise on the original requirements, was an effort to construct a 'total combustibles' analyzer. This approach was unsuccessful because no way was found to selectively combust hydrogen in the presence of carbon monoxide. It was concluded from this research that the heated filament combustible gas detector has no promising application to auto exhaust analysis. (Author) |
Notes |
"August 1966." "Contract PH 86-66-60." "Final Report. Covering the Period Janurary 24, 1966 to July 24, 1966." Includes bibliographical references. |