LCGC North America Application Note Alert Having trouble viewing this email? Click here   HPLC Developing Strategies for Preparative HPLC This technical overview describes how to combine UV- and mass-based fraction detection with recovery collection for confident, successful sample purification. Aflatoxin Detection Using Low-Cost Fluorescence Detector A simple, isocratic HPLC method for the analysis of aflatoxins. The application note shows an isocratic assay with enhanced sensitivity by using a photochemical reactor. Multiclass Residue Analysis of Veterinary Drugs This application demonstrates a quick and easy method to analyze 151 veterinary drugs across 27 classes in pork and hen eggs using Agilent Ultivo Triple Quad LC/MS. HPLC Determination of CBD and General Cannabinoid Content in Hemp Oils This application note highlights the use of a high-sensitivity HPLC method to determine 11 important cannabinoids, including CBD, in hemp oil. Separation of Naproxen Using CHIRALPAK® IH / IH-3 CHIRALPAK AS-H and CHIRALPAK IH were used in an optimized HPLC method to separate naproxen, focusing on selectivity, resolution, and productive in a preparative method. Analysis of Fentanyl in Human Urine by LC–MS/MS This simple dilute-andshoot method provides a fast 3.5-min analysis of fentanyl and related compounds in human urine by LC–MS/MS using a Raptor Biphenyl column.   Hyphenated LC-MS/MS Detection of Fentanyl and Related Synthetic Opioids in Biological Matrices This application highlights the development of a single LC-MS/MS method to identify and determine a limit of detection for several synthetic opioids, including fentanyl.