1. Department of Chemical Engineering, Faculty of Engineering and Architecture, Universidad Nacional de Colombia sede Manizales, Campus La Nubia, km 7 Vía al Aeropuerto, AA 127 Manizales, Colombia
2. Department of Physics and Chemical, Faculty of Exact and Natural Sciences, Universidad Nacional de Colombia sede Manizales, Campus La Nubia, km 7 Vía al Aeropuerto, AA 127 Manizales, Colombia