LCGC North America Application Note Alert Having trouble viewing this email? Click here Featured Application Note Antibody Size and Charge Characterization by EAF4 An antibody is used to compare separation, aggregation, quantification, and recovery parameters for electrical AF4 vs. SEC for size and surface charge characteristics.   Environmental Pesticides in Water Using SPE Disks Cleanup method using solid-phase extraction disks for analysis of metolachlor OA, metolachlor ESA, aminopyralid, clopyralid, and picloram in large water volumes by LC–MS/MS     GC-MS Quantitative Cannabidiol Oil Analysis This application note demonstrates quantitative analysis of CBD oil, including RSDs and a calibration curve. Determining Terpene Profiles of Cannabis Strains Using GC and GCxGC with High Performance TOF-MS LECO’s Pegasus BT 4D was used to “fingerprint” the complex chemical makeup of cannabis; enhanced GCxGC led to the separation and identification of cannabis terpenes.   LC Online SPE Analysis of PPCPs in Water This study outlines the analysis of pharmaceuticals and personal care products (PPCPs) in environmental and drinking water using direct injection LC–MS and online SPE. Taking UHPLC Methods to the Next Level of Speed and Resolution From ultrafast high-throughput separations to ultrahigh resolution separations Fused-Core columns deliver results accurately, quickly, and reliably. Aflatoxin Assay Using a Low-Cost Fluorescence Detector An isocratic HPLC method for the analysis of aflatoxins. Uses the DFL-10 ( filter fluorescence detector) with a photochemical reactor to improve sensitivity.   Sample Prep Non-QuEChERS Extraction of Pesticides from Spices This application note demonstrates rapid automated extraction and UPLC MS–MS analysis of pesticide residue from a variety of spices. Analysis of Limonin in Citrus Juice Using QuEChERS and LC–MS/MS This application note outlines a simple, fast and cost-effective QuEChERS-based method for the determination of limonin in citrus juice.