Search results Search for: Search Refine your results by duration: Any Under 5 mins Under 20 mins Over 20 mins Sort by: Relevance Views Date Evaluations of a New Ionic Liquid Stationary Phase with PEG Like Selectivity Leonard M. Sidisky, Supelco R&D Manager Geminal dicationic and polyionic ionic liquids have been prepared for use as stationary phases in capillary gas chromatography. These materials are kn... 10 years ago | 49 mins Ultra-Fast LC/MS/MS in Bioanalysis Using Fused-Core Columns Ethan R. Badman, Ph.D. With recent advances in HPLC columns and LC/MS hardware, it is possible to increase the throughput of bioanalytical assays without sacrificing quality... 11 years ago | 39 mins Ionic liquid GC columns for the quantitation of trans fatty acids in fats & oils Pierluigi Delmonte, Ph.D - U.S. Food and Drug Administration The fatty acid composition of a fat or oil is most commonly assessed by gas chromatography, following conversion of the fatty acids methyl esters. The... 10 years ago | 39 mins A Practical 2D-LC System Developed for Complex Pharmaceuticals Lianjia Ma, Ph.D.* and Anthony Alexander, Ph.D. A comprehensive two-dimensional liquid chromatograph (LC × LC) was constructed from commercially available conventional HPLC equipments. This system u... 11 years ago | 31 mins Introducing Ascentis Express ES-Cyano HPLC Columns David S. Bell, Ph.D. - Analytical Research & Development Manager, Supelco 10 minute introduction to the Ascentis Express family with an emphasis on the benefits of the new ES-Cyano phase. The presentation will then feature ... 11 years ago | 37 mins The Analysis Workflow of the New EPA Method 325 for Fenceline Monitoring Jamie Brown - Supelco R&D Scientist , Lee Marotta - PerkinElmer Senior Field Application Scientist The new EPA METHOD 325 for sampling Volatile Organic Compounds from Fugitive and Area Sources was promulgated in September of 2015. The petroleum refi... 6 years ago | 52 mins The Extraction of Glycols From Water Using Supelco ENVI-Carb Plus Katherine Stenerson Glycols are particularly difficult to extract from water because traditional methods like LLE and standard SPE phases fail due to low recovery. ENVI-... 12 years ago | 8 mins