Determination of Aluminum in OTC Pharmaceutical Products

Brian DeBorba and Jeff Rohrer Thermo Fisher Scientific, Sunnyvale, CA, USA Introduction Public drinking water municipalities routinely disinfect their water supplies to protect the public from potentially dangerous microorganisms. Chlorine dioxide, chloramine, and ozone are common disinfection treatments used to…

Lipika Basumallick and Jeff Rohrer Thermo Fisher Scientific, Sunnyvale, CA, USA Introduction Chromates are oxyanions (e.g., CrO , Cr2O ) of chromium in oxidation state +6. All hexavalent chromium Cr(VI) compounds are strong oxidizing agents and considered toxic and potentially…

Environmental Water Applications Notebook Anions • Cations • Bromate • Haloacetics Acids • Disinfection Byproducts Table of Contents Introduction to Environmental Water Analysis.......................................................................................................................... 4 Analysis of Anions..................................................................................................................................................................... 7 Monitoring Inorganic Anions and Cations During Desalination............................................................................................... 8 Determination of Total Phosphorus…

APPLICATION NOTE 72680 Determination of zinc oxide in sunscreen using ion chromatography with visible absorbance detection Authors Hua Yang and Jeffrey Rohrer Thermo Fisher Scientific Sunnyvale, CA Keywords Dionex IonPac CS5A Column, pharmaceutical, USP monograph, monograph modernization, drug substance, drug…