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 4

Results of spectrophotometric determination of palladium(II) in a catalyst using p-ITYBA (Сp-ITYBA = 7.50·10−5 mol·L−1; CNаCl = 0.10 mol·L−1; СUBS = 0.020 mol·L−1; рH = 7.0; λ = 450 nm; l = 1.0 cm; n = 3; P = 0.95).

Method, %Sr, %

Spectrophotometry with p-ITYBA2.18 ± 0.081.4
Voltammetry2.06 ± 0.091.8