**Acknowledgements**

The authors are grateful to the Spanish Ministry of Science, Innovation and Universities (MICINN) and the Andalusian Government (FEDER 2014-202) for financial support. Projects "CERTAIN" (PID2020-116230RB-I00) and "ARCO" (UAL2020-FQM-B2087).

*Silica Based Mesoporous Materials as Sorbents for Solid-Phase Extraction of Organic Pollutants... DOI: http://dx.doi.org/10.5772/intechopen.112010*
