EL-NAGGAR, A. Y. Calcination and alkali metal modification of alumina as solid stationary phase in GC. INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY, [S. l.], v. 11, n. 6, p. 2653–2662, 2013. DOI: 10.24297/ijct.v11i6.3040. Disponível em: https://www.rajpub.com/index.php/ijct/article/view/3040. Acesso em: 23 oct. 2025.