SILICA GELS CHEMICALY MODEFIED BY TIOUREA AND AMINOTIOUREA GRUPS TO RECOVERY AND MESURING A TRACE AMOUNTS OF MERCURY: UDC 543.544 – 414.7: 54.05 + 543.272.81. Bulletin of the Taras Shevchenko National University of Kyiv. Chemistry, [S. l.], v. 49, n. 1, p. 24–26, 2013. Disponível em: https://chemistry.bulletin.knu.ua/article/view/8442. Acesso em: 14 feb. 2026.