A New Spectrophotometric Reagent for Fe(III): 2-(2,3-Dihydroxy-4-oxocyclobut-2-enylidene) Hydrozinecarbothiamide and Its Application in Real Samples

Table 3

Effect of diverse ions on the determination of Fe(III).

Ion added	Tolerance level cion/cFe(III)
Hg^+2, Ag^+1	100
Mg^+2, Co^+2	50
Ni^+2, Zn^+2, Cu^+2, Fe^+2, CO3−2, SO4−2	10