BOBOJONOV B, MADATOV O, RAXIMOV S, SMANOVA Z. EXPRESS TEST METHOD FOR THE DETERMINATION OF CHROMIUM (VI) ION WITH TWO SODIUM SALTS OF IMMOBILIZED 1,8-DIOXYNAPHTHALENINE-3,6-DISULPHIC ACID. NUUz [Internet]. 2026 Aug. 20 [cited 2026 Sep. 6];3(3.1.1):416-9. Available from: http://journals.nuu.uz/index.php/actanuuz/article/view/14534