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Monitoring of PGEs content in the natural samples is a crucial point in the environment science since catalytic car converters have been introduced. In the presented paper application of a very sensitive voltammetric method for determination of traces of Pt and Rh in the environmental samples contaminated by automobile exhausts is discussed. Voltammetric measurements were carried out in the supporting...
A new method for the determination of 2-thiobarbituric acid, using its reaction with iodine in an alkaline medium is presented. In the volumetric titration with potentiometric end-point detection, the determinability range is 10-400 μmol (1.4-58 mg). In coulometric titration using the biamperometric end-point detection, 0.1-20 μmol (1.4 10 -2 -2.9 mg) of 2-thiobarbituric acid was...
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