ANALYTICAL FORM OF SILICA MODIFIED BY XYLENOL ORANGE FOR THE DETERMINATION OF VANADIUM(V). Bulletin of the Taras Shevchenko National University of Kyiv. Chemistry, [S. l.], v. 51, n. 1, p. 40–42, 2015. Disponível em: https://chemistry.bulletin.knu.ua/article/view/8525. Acesso em: 14 feb. 2026.