PeerJ Author 100 Points Contributions by role Author 100 Contributions by subject area Analytical Chemistry (other) Mass Spectrometry Separation Science Frederico Goytacazes de Araujo PeerJ Author Summary PeerJ Contributions Articles 1 July 6, 2020 Development and validation of an analytical method for detection and quantification of benzophenone, bisphenol A, diethyl phthalate and 4-nonylphenol by UPLC-MS/MS in surface water Frederico Goytacazes de Araujo, Glauco F. Bauerfeldt, Marcia Marques, Eduardo Monteiro Martins https://doi.org/10.7717/peerj-achem.7