MarguĂ­, EvaTorrent, Laura2023-04-192023-04-192023-04-19202310.1016/j.sab.2023.106682https://infoscience.epfl.ch/handle/20.500.14299/197010Simple method for Cr(VI) determination by liquid-liquid microextraction combined with total reflection X-ray fluorescence spectrometry: Application to water samples and industrial extractstext::journal::journal article::research article