Effect of pH on LC-MS Analysis of Amines

Oasis sample preparation Application Notebook Waters Oasis Family of sample extraction products The Oasis® family of sample extraction products is designed to acidic compounds, respectively. In 2004, we introduced mixed-mode simplify and improve your sample preparation by combining the right…

Oasis® Sample Extraction Products for Agrochemical and Environmental Analysis Superior results, simplicity and speed — whether analyzing water samples, soil, or food extracts. Current Oasis® Patents: Patent No. 5,882,521 (1996), Patent No. 5,976,376 (1998) Patent No. 6,106,721 (1999), Patent No.…

HPLC TN-1031 Improved Results for LC/MS of Basic Compounds Using High pH Mobile Phase on a Gemini® C18 Column Liming Peng, Ismail Rustamov, Lawrence Loo and Tivadar Farkas Phenomenex Inc., Torrance, CA, USA Introduction There is considerable interest in conducting…

A Review of Waters Hybrid Particle Technology. Part 3. Charged Surface Hybrid (CSH) Technology and Its Use in Liquid Chromatography Pamela C. Iraneta, Kevin D. Wyndham, Douglas R. McCabe and Thomas H. Walter Curr ent S tat e of R…