LCGC Europe Application Note Alert Having trouble viewing this email? Click here HPLC High-Throughput Purification of Pharmaceutical Impurities This application note describes the purification of acetaminophen (paracetamol) and six common impurities listed in the European and United States Pharmacopoeias. Protein Aggregate Analysis of Monoclonal Antibodies The Thermo Scientific Vanquish Duo system for Dual employs two separate flow paths for simultaneous analysis of complex samples. Separation of Naproxen Using CHIRALPAK® IH / IH-3 CHIRALPAK AS-H and IH were used in an optimized HPLC method to separate naproxen, focusing on selectivity, resolution, and productivity in a preparative method.   Sample Prep In-Well Hydrolysis Using UCT’s Refine™ UCT’s Refine™ Ultra-Filtration Technology allows sample precipitation and filtration to occur simultaneously. A procedure for sample in-well hydrolysis is outlined.   General IDP Scroll Pump Evaluation on MS This application note compares the Agilent IDP-10 Dry Scroll Vacuum Pump and Oil Roughing Pump on the Agilent Intuvo coupled to the 7010B Triple Quad MS.   GC Improvements to Ambient Air Monitoring This study is for ozone precursor analysis achieves quantitation limits below 0.1 ppb (FID) and the capability of sampling for 40 minutes of every hour.