“…The electrodes based on mordant Blue 9 32, 3‐ N ‐benzoyl‐ N ‐phenyl hydroxylamine 28, aluminon 33, cupferron 25–28, L ‐3‐(3,4‐dihydroxyphenyl)alanine (LDOPA) 29,30, catechol 31, propyl gallate 28, 4‐(2‐hydroxyethyl)‐1‐piprazineethane sulfonic acid 46, and oxine 28 suffer from severe interferences by several metal ions. Although, the interference from several elements, when present at concentrations higher than their tolerance level, can be eliminated by adding complexing agents such as EDTA for Cu(II), Cd(II), Pb(II), and Zn(II), or precipitating with urea for Al(III), Th(IV), Bi(III), Fe(III), and Sn(IV) 24,28,30,31,37. However, comparison of the tolerance levels of the proposed method with other reports on ACSV determination of U(VI), suggests a fair degree of selectivity of the present method (see Table 1).…”