Kerry M Riley

US Patent:

20080260587, Oct 23, 2008

Filed:

Jun 5, 2005

Appl. No.:

11/631434

Inventors:

Dennis Coleman - Champaign IL, US
Kerry Riley - Champaign IL, US
Dennis Leigh - Staffordshire, GB

International Classification:

G01N 30/00
B32B 5/04

US Classification:

422 89, 210218

Abstract:

An apparatus for the preparation of hydrocarbons for mass spectrographic analysis by their conversion into carbon dioxide. The apparatus uses an isothermic environment for chromatography in conjunction with separate columns tuned to isolate specific hydrocarbons. The apparatus includes a valve block (), sample extractor (), sample injector, carrier gas source (), gas chromatograph (), combustion furnace (), water separator () open split (), mass spectormeter (), reference gas source (A), and reference gas injector ().