Archive for January, 2008

Process NMR Associates – Archives – Gasoline Analysis by NMR and Chemometrics – ENC 1996

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.

Conjugated Olefins by COSY NMR - 1D 1H NMR - Coker Naphtha

Conjugated Olefins by COSY NMR - COSY - Coker Naphtha Showing Conjugated Olefin Signals

Conjugated Olefins by COSY NMR - Hydrotreated Naphtha

Conjugated Olefins by COSY NMR - Hydrotreated Naphtha