MATEKEYEVA, Aziza; MUXAMMADIYEVA, Mehrinigor; SAITQULOVA, Visola; RUZMETOV, Uchqun. DEVELOPMENT OF A HYBRID SORPTION–SPECTROSCOPIC SYSTEM BASED ON NITROSO-N-SALT IMMOBILIZED ON SILK FIBROIN FOR THE DETERMINATION OF Co(II) IONS. «ACTA NUUz», [S. l.], v. 3, n. 3.3, p. 327–330, 2026. Disponível em: http://journals.nuu.uz/index.php/actanuuz/article/view/15019. Acesso em: 27 sep. 2026.