Just came across an old presentation on gasoline analysis by NMR and chemometrics with direct comparisons to Mid-IR and NIR. Presented at the Experimental NMR Conference in March 1996….PDF (3 MB)
Conjugated Diolefins Analysis by COSY NMR
Conjugated diolefins are responsible for fouling of many processes in a refinery. COSY NMR analysis can determine the concentration of these species in many processed petroleum product streams….see PNA webs site.