Light Crude Oil Fingerprinting from Six Different Global Regions Using GCxGCTOFMS with Structural Classifications to Compare Functional Group Differences

A Beneficial GCxGC-TOFMS Procedure for Environmental Forensic Fingerprinting Utilizing Structural Classifications to Differentiate Light Crude Oils John Heim, Joe Binkley, and Liz Humston-Fulmer | LECO Corporation, Saint Joseph, MI USA INTRODUCTION Crude oil fingerprinting and source identification has become a…

® Small Molecule Metabolite Identifications in Diabetic Versus Non-Diabetic Urine Sample Groups Using Comprehensive Two-Dimensional Gas Chromatography Combined with Time-of-Flight Mass Spectrometry (GCxGC-TOFMS) John Heim, LECO Corporation; Saint Joseph, Michigan USA Key Words: Fisher Ratio, Sample Groups, Diabetes, Metabolite Profile…

Analysis of Light Crude Oil Using Gas Chromatography—High Resolution Time-of-Flight Mass Spectrometry LECO Corporation; Saint Joseph, Michigan USA Keywords: GC, High Resolution MS, Time-of-Flight MS, Light Crude Oil 1. Introduction Crude oil is a very complex mixture of organic compounds…

® Utilization of Statistical Compare Software and Fisher Ratios Prior to Multivariate Analysis for Complex GCxGCTOFMS Data in Order to Define Statistical Variation Between the Small Molecule Metabolite Profiles of Different Fish Species John Heim • LECO Corporation; Saint Joseph,…