Differential pulse polarography in the analysis of products from coal treatment
Baranowska I, Slaczka A, Srogi K
Baranowska I, Silesian Tech Univ, Dept Gen & Analyt Chem, Ul Strzody 7, PL-44100 Gliwice, Poland
Silesian Tech Univ, Dept Gen & Analyt Chem, PL-44100 Gliwice, Poland
Silesian Tech Univ, Dept Mineral Proc & Waste Utilizat, Gliwice, Poland
Silesian Tech Univ, Dept Gen & Analyt Chem, PL-44100 Gliwice, Poland
Silesian Tech Univ, Dept Mineral Proc & Waste Utilizat, Gliwice, Poland
Pol. J. Environ. Stud. 2001;10(1):57–61
KEYWORDS
heavy metalsslugashflotation tailingscrude coalhard coal assortmentinversion difference pulse voltammetry
ABSTRACT
The content of the heavy metals cadmium, zinc, nickel, lead and molybdenum in products and waste coming from fuel processing (originating from power plants and coal mines) was determined using DPV. Samples were digested in a microwave mineralizer in mixtures of HNO3 + HClO4 acids (3:2; 4:2 v/v). The following certified reference materials were used in these investigations: fly ash (CTA-FFA-1), apatite concentrate (CTA-AC-1) and coal (BCR-40).
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