Research Article

Spectrophotometric Determination of Palladium(II) Ions Using a New Reagent: 4-(N’-(4-Imino-2-oxo-thiazolidine-5-ylidene)-hydrazino)-benzoic Acid (p-ITYBA)

Table 3

Determination of Pd(II) with p-ITYBA in synthetic solutions (Сp-ITYBA = 7.50·10−5 mol·L−1; CNаCl = 0.10 mol·L−1; СUBS = 0.020 mol·L−1; V = 25 mL; рH = 7.0; l = 1 cm; λ = 450 nm; n = 3, P = 0.95).

Synthetic solutions composition, µgAdded Рd(ІІ), µgFound Рd(ІІ), , µgSr, %

60.7 Іr(IV) + 32.16 Rh(III)66.569.8 ± 5.63.2
63.17 Ru(IV) + 60.96 Рt(IV)66.569.1 ± 4.82.8
32.16 Rh(III) + 63.17 Ru(IV)66.565.3 ± 4.72.9