Determination of Methacholine Chloride and Potential Impurities Using a Reagent-Free Ion Chromatography System

Technical note | 001521 Ion chromatography Choosing the appropriate cation-exchange column for quaternary amine determinations Authors Goal Sachin Patil and Jeff Rohrer To evaluate and identify cation-exchange columns suitable for applications involving Thermo Fisher Scientific, Sunnyvale, CA quaternary ammonium compound…

Application Note 194 Determination of Carbachol In Ophthalmic Solutions Using a Reagent-Free Ion Chromatography System INTRODUCTION Carbachol is a choline ester and a positively charged quaternary ammonium compound used primarily for ophthalmic applications, such as solutions used for glaucoma treatment…

Beverages Applications Notebook Bottled Water Table of Contents Index of Analytes......................................................................................................................................................................... 3 Introduction to Beverages........................................................................................................................................................... 4 UltiMate 3000 UHPLC+ Systems............................................................................................................................................... 5 IC and RFIC Systems.................................................................................................................................................................. 6 MS Instruments........................................................................................................................................................................... 7 Chromeleon 7 Chromatography Data System Software............................................................................................................ 8 Process Analytical Systems and…

Application Note 185 Determination of Trace Organic Acids and Inorganic Anions in Boric Acid-Treated Power Plant Waters Using an Automated Reagent-Free Ion Chromatography System Introduction Nuclear power plants produce nearly 20% of the electrical energy used in the U.S and…