HOLLOW FIBER LIQUID MICROEXTRACTION FOR PRECONCENTRATION OF BENZOPHENONE: UDC 543. 544; 547.594. Bulletin of Taras Shevchenko National University of Kyiv. Chemistry, [S. l.], v. 49, n. 1, p. 43–45, 2013. Disponível em: https://chemistry.bulletin.knu.ua/en/article/view/8456. Acesso em: 6 oct. 2026.