Wei X- ling, Gong Q, Ouyang K, Hong X. <b>Polypropylene based anion exchange fiber for enrichment and determination of trace indium by GFAAS</b>. Bull. Chem. Soc. Eth. [Internet]. 2011 May 3 [cited 2026 Nov. 5];25(2). Available from: https://www.ajol.info/index.php/bcse/article/view/65906