SPECIATION AND QUANTIFICATION OF ARSENIC IN WATER AND SEDIMENT SAMPLES BY HPLC-ICP-MS TECHNIQUE. - Dinu, Cristina; Tenea, Anda-Gabriela; Rus, Alexandru Paul; Vasile, Gabriela-Geanina; Paris, Ana Ioana (Proceedings of the International Multidisciplinary Scientific GeoConference SGEM, 2025)