Unai Villanueva

Monitoring trace elements (Al, As, Cr, Cu, Fe, Mn, Ni and Zn) in deep and surface waters of the estuary of the Nerbioi-Ibaizabal River (Bay of Biscay, Basque Country)

Silvia Fernández, Unai Villanueva, Alberto de Diego et al. · Journal of Marine Systems · 2007 · 37 citations

Natural Sciences, Marine Sciences, Oceanography +17

Determination of humic substances in sediments by focused ultrasound extraction and ultraviolet visible spectroscopy

Juan Carlos Raposo, Unai Villanueva, Maitane Olivares et al. · Microchemical Journal · 2016 · 35 citations

Natural Sciences, Earth Sciences, Sedimentology +15

Raman spectroscopy speciation of natural and anthropogenic solid phases in river and estuarine sediments with appreciable amount of clay and organic matter

Unai Villanueva, Juan Carlos Raposo, Kepa Castro et al. · Journal of Raman Spectroscopy · 2008 · 32 citations

Natural Sciences, Earth Sciences, Environmental Sciences +17

Analytical and thermodynamical approach to understand the mobility/retention of arsenic species from the river to the estuary. The Bilbao case study

Juan Carlos Raposo, Olatz Zuloaga, J. Sanz et al. · Marine Chemistry · 2006 · 22 citations

Natural Sciences, Earth Sciences, Environmental Sciences +11

A new methodological approach to assess the mobility of As, Cd, Co, Cr, Cu, Fe, Ni and Pb in river sediments

Unai Villanueva, Juan Carlos Raposo, Juan Manuel Madariaga · Microchemical Journal · 2012 · 20 citations

Natural Sciences, Earth Sciences, Environmental Sciences +14