The US Pharmacopeia (USP) retired the existing wet chemistry heavy metals methods outlined in USP General Chapter <231> with an instrument-based approach on January 1, 2018. Though the existing wet chemistry methods have been in effect for nearly 100 years, the methods were non-specific and frequently failed to detect or underestimate the presence of some toxic elements that are potentially present in pharmaceutical ingredients.
Christopher Williams is the manager for Alcami’s development services lab operations. Chris joined Alcami in 2011, focusing on pharmaceutical development and advanced analytical testing services. He has extensive experience in inductively coupled plasma-mass spectrometry (ICP-MS), dissolution, ion chromatography, x-ray, laser diffraction particle size, HPLC/UPLC (CAD, ELSD, UV, FLD). Chris holds a Master of Science degree in Chemistry from East Carolina University.