Abstract
An enrichment-separation procedure based on the coprecipitation of gold(III), palladium(II) and lead(II) ions with nickel(II)-5-methyl-4-(2-thiazolylazo) resorcinol complex has been developed. The analytical parameters including pH, amounts of 5-methyl-4-(2-thiazolylazo) resorcinol, sample volume, etc. was investigated for quantitative recoveries of Au(III), Pd(II) and Pb(II). Interference due to various cations and anions has also been investigated. The detection limits for analyte ions by 3σ were 2.6 μg L-1 for lead, 1.5 μg L-1 for gold, 2.1 μg L-1 for palladium. The accuracy of the method was evaluated by the analysis of certified reference materials (NIST SRM 2711 Montana soil, GBW 07309 Stream sediment). The proposed procedure was successfully applied to environmental samples for the determinations of analytes.
| Original language | English |
|---|---|
| Pages (from-to) | 656-661 |
| Number of pages | 6 |
| Journal | Journal of Hazardous Materials |
| Volume | 152 |
| Issue number | 2 |
| DOIs | |
| State | Published - 1 Apr 2008 |
| Externally published | Yes |
Bibliographical note
Funding Information:The authors are grateful for the financial support of the Unit of the Scientific Research Project of Erciyes University (project no: EUBAP-FBT 04-07) and the Unit of the Scientific Research Projects of Gaziosmanpasa University.
Keywords
- 5-Methyl-4-(2-thiazolylazo) resorcinol
- Coprecipitation
- Flame atomic absorption spectrometry
- Metal
- Preconcentration
ASJC Scopus subject areas
- Environmental Engineering
- Environmental Chemistry
- Waste Management and Disposal
- Pollution
- Health, Toxicology and Mutagenesis
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