[1] Pontificia Univ Catolica Chile, Fac Quim & Farm, Dept Quim Inorgan, Ave Vicuna Mackenna 4860, Santiago 7820436, Chile
[2] Pontificia Univ Catolica Chile, Dept Ingn Hidraul & Ambiental, Ave Vicuna Mackenna 4860, Santiago 7820436, Chile
[3] Pontificia Univ Catolica Chile, Inst Geog, Ave Vicuna Mackenna 4860, Santiago 7820436, Chile
[4] Univ Mayor, Escuela Biotecnol, Camino La Piramide 5750, Santiago 8580745, Chile