SMANOVA, Zulayxo; BOBOJONOV, Bunyod; MADATOV, O‘tkir; RAXIMOV, Samariddin. EXPRESS TEST METHOD FOR THE DETERMINATION OF CHROMIUM (VI) IONS WITH TWO SODIUM SALTS OF IMMOBILIZED 1,8-DIOXYNAPHTHALENINE-3,6-DISULPHIC ACID. «ACTA NUUz», [S. l.], v. 3, n. 3.1.1, p. 491–493, 2026. Disponível em: http://journals.nuu.uz/index.php/actanuuz/article/view/14565. Acesso em: 6 sep. 2026.