SMANOVA Z, BOBOJONOV B, MADATOV O, RAXIMOV S. EXPRESS TEST METHOD FOR THE DETERMINATION OF CHROMIUM (VI) IONS WITH TWO SODIUM SALTS OF IMMOBILIZED 1,8-DIOXYNAPHTHALENINE-3,6-DISULPHIC ACID. NUUz [Internet]. 2026 Aug. 21 [cited 2026 Sep. 6];3(3.1.1):491-3. Available from: http://journals.nuu.uz/index.php/actanuuz/article/view/14565