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High-Throughput Analysis of Volatile Impurities in Sustainable Packaging using SIFT-MS Automated Sample Prep in Regulated and Nonregulated Labs Just Got Easier What is Chemical Composition Distribution in Polyolefins, and Why Should It Be Part of Your HT GPC Analysis?New Liquid Chromatography Columns and Accessories: What to Know for 2023 New Sample Prep Products and Accessories for 2023

High-Throughput Analysis of Volatile Impurities in Sustainable Packaging using SIFT-MSAutomated Sample Prep in Regulated and Nonregulated Labs Just Got EasierWhat is Chemical Composition Distribution in Polyolefins, and Why Should It Be Part of Your HT GPC Analysis?New Liquid Chromatography Columns and Accessories: What to Know for 2023New Sample Prep Products and Accessories for 2023

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View More Liquid Chromatography (LC/HPLC)Gas Chromatography (GC)Sample Preparation Mass Spectrometry Pharmaceutical Analysis Environmental Analysis Food and Beverage Analysis

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All App NotesBiological, Medical, and ClinicalBiopharmaceuticalsCannabisChiralEnvironmentalFood and BeverageGCGC-MSGeneralIndustrialLCLC-MSMedical/BiologicalMisc TechniquesPharmaceuticalsPolymersSample PrepSize-Exclusion Chromatography (SEC)Supercritical Fluid Chromatography (SFC)

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The Application Notebook

Separation of Quaternary Ammonium Compounds Using a Bonded Polymeric Zwitterionic Stationary Phase

Using a bonded polymeric zwitterionic stationary phase, in HILIC mode, polar quaternary herbicides like Diquat can easily be retained, with good peak symmetry. The impact of ionic strength and organic content in the mobile phase is discussed.