TY - RPRT TI - Isotopically Selective Quantification by UPLC-MS of Aqueous Ammonia at Submicromolar Concentrations Using Dansyl Chloride Derivatization AU - Yu, Weilai AU - Lewis, Nathan S. AU - Gray, Harry B. AU - Dalleska, Nathan F. PY - 2020 DO - 10.1021/acsenergylett.0c00496 UR - https://www.osti.gov/biblio/1633454 ID - 1633454 ER -