Salvador Garrigues is Full Professor of Analytical Chemistry at University of Valencia from 2006. His research has focused on sample preparation and spectroscopy, mainly in the field of vibrational one, applied to quantitative analysis, combined with automation and the use of chemometrics.Miguel de la Guardia is Full Professor of Analytical Chemistry at University of Valencia from 1991. He has published more than 650 scientific papers and various books in the field of analytical chemistry and supervised more than 35 PhD Thesis of students from different countries.From 1990 both authors collaborate and, in the frame of Solinquiana research team, have contributed to the development of “green Analytical Chemistry” (GAC), with different research projects and specialized books on this topic.