Determination of spectinomycin and related impurities in spectinomycin dihydrochloride

APPLICATION NOTE 72647 Determination of gentamicin and related impurities in gentamicin sulfate Authors Jingli Hu and Jeffrey Rohrer Thermo Fisher Scientific Sunnyvale, CA Goal To validate the gentamicin sulfate United States Pharmacopeia (USP) monograph method for gentamicin composition and impurities…

APPLICATION UPDATE 72648 Determination of gentamicin and related impurities in gentamicin sulfate using simple eluents Authors Introduction Jingli Hu and Jeffrey Rohrer Thermo Fisher Scientific Sunnyvale, CA The analysis of gentamicin sulfate in pharmaceutical formulations based on an ion-pairing HPLC-PAD…

APPLICATION NOTE 72792 Determination of etimicin and related impurities in etimicin sulfate Authors Introduction Jingli Hu and Jeffrey Rohrer Thermo Fisher Scientific Sunnyvale, CA Etimicin is a broad-spectrum, water-soluble antibiotic belonging to the group of aminoglycoside antibiotics. It is valuable…

APPLICATION NOTE 73455 Determination of nitrite impurity in dalteparin sodium using ion chromatography Authors: Jingli Hu and Jeffrey Rohrer Thermo Fisher Scientific, Sunnyvale, CA Keywords: Dionex IonPac AS15 column, Dionex ICS-5000+ HPIC system, electrochemical detection, drug substance, USP monograph, Dionex…