title: In honor of Professor Klaus G. Heumann.
authors.affiliation: Department of Physical and Analytical Chemistry, University of Oviedo, C/ Julián Clavería 8, 33006, Oviedo, Spain. asm@uniovi.es.
authors.forename: Alfredo
authors.initials: A
authors.lastname: Sanz-Medel
authors.affiliation: Department of Physical and Analytical Chemistry, University of Oviedo, C/ Julián Clavería 8, 33006, Oviedo, Spain.
authors.forename: Jörg
authors.initials: J
authors.lastname: Bettmer