NUCLEAR SUBMARINE ATMOSPHERES. PART 2 - DEVELOPMENT OF A TOTAL HYDROCARBON ANALYZER.
Abstract
An instrument has been developed for the shipboard monitoring of total hydrocarbons in nuclear submarine atmosphere. In addition to hydrocarbons, the instrument also measures methane and Freon-12 and, with a slight modification in operating procedure, Freon-11. The system is based upon a chromatographic technique coupled with a highly sensitive flame ionization detector. An air sample is injected into a chromatographic column and chromatographed in the usual manner until the methane and Freon-12 peaks emerge. At this point, the flow of carrier gas is reversed and the higher hydrocarbons are backflushed from the column through the detector as a single peak. The area under the backflushed peak provides a measure of the total hydrocarbon content of the atmosphere. The principles on which the instrument is based have been successfully tested at sea aboard the U.S.S. SCULPIN. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 30, 1964
- Accession Number
- AD0431141
Entities
People
- J. E. Johnson
- M. E. Umstead
- W. D. Smith
Organizations
- United States Naval Research Laboratory