Sorbtion-Photometric Determination Of Lead (II) Ion By Organic Reagent 1,3,4-Thiadiazole2,5-Ditiol. Erb [Internet]. 2023 Oct. 14 [cited 2026 Apr. 20];25:29-31. Available from: https://geniusjournals.org/index.php/erb/article/view/5080