Routine Determination of Trifluoroacetic Acid (TFA) and Difluoroacetic Acid (DFA) in Surface and Drinking Water by Direct Injection Using UPLC-MS/MS

[ APPLICATION NOTE ] Comparing Mobile Phase Additives for the Separation of mAb Tryptic Peptides: A Case Study on Formic, Difluoroacetic, and Trifluoroacetic Acid Jennifer M. Nguyen, Xiaoxiao Liu, and Matthew A. Lauber Waters Corporation, Milford, MA, USA APPLICATION BENEFITS…

Application note | 004442 Water safety Anticipating emerging regulations: Direct injection LC-MS/MS quantification of C1–C4 ultrashort-chain PFAS in drinking water using the TSQ Altis Plus EFOX Edition Authors Application benefits Thermo Fisher Scientific • Robust quantification of ultrashort-chain PFAS at…

Application Note Environmental Reliable Ultra Short Chain PFAS Analysis in Water and Landfill Groundwater Using the Agilent Altura Poroshell PFAS column and LC/MS/MS Authors Abstract Emily Parry and Ivan Huang Agilent Technologies, Inc. The Agilent Altura Poroshell PFAS column, used…

[ TECHNOLOGY BRIEF ] Application of Difluoroacetic Acid to Improve Optical and MS Performance in Peptide LC-UV/MS Jacob Kellett, Robert Birdsall, and Ying Qing Yu Waters Corporation, Milford, MA, USA Use of difluoroacetic acid as an ion-pairing agent improves optical…