Platinum group elements in the environment and their health risk

K Ravindra, L Bencs, R Van Grieken - Science of the total environment, 2004 - Elsevier
Accumulation of platinum group elements (PGEs) in the environment has been increased
over the time. Catalytic converters of modern vehicles are considered to be the main sources …

Platinum group metals (PGM); occurrence, use and recent trends in their determination

CRM Rao, GS Reddi - TrAC Trends in Analytical Chemistry, 2000 - Elsevier
Details of the occurrence of the platinum group metals (PGM) in the Earth's crust and the
composition of the principal minerals are presented along with data on supply and demand …

Chemical modification of silica surface by immobilization of functional groups for extractive concentration of metal ions

PK Jal, S Patel, BK Mishra - Talanta, 2004 - Elsevier
Increased utilization of mechanically stable synthetic matrices particularly silica gel as a
solid support and its surface modification either by impregnation of organic ligands directly …

Levels and risk assessment for humans and ecosystems of platinum-group elements in the airborne particles and road dust of some European cities

B Gomez, MA Palacios, M Gomez, JL Sanchez… - Science of the Total …, 2002 - Elsevier
Traffic is the main source of platinum-group element (PGE) contamination in populated
urban areas. There is increasing concern about the hazardous effects of these new …

Methods for the determination of platinum group elements originating from the abrasion of automotive catalytic converters

L Bencs, K Ravindra, R Van Grieken - Spectrochimica Acta Part B: Atomic …, 2003 - Elsevier
Anthropogenic emission of platinum group elements (PGEs) from the abrasion of automotive
catalytic converters into the environment has significantly increased. However, the …

Palladium adsorption and preconcentration onto thiol-and amine-functionalized mesoporous silicas with respect to analytical applications

J Dobrzyńska, R Dobrowolski, R Olchowski… - Microporous and …, 2019 - Elsevier
Amine-and thiol-functionalized mesoporous SBA-15 silicas were synthesized, characterized
and then applied to solid phase extraction of palladium from digested environmental …

Recent advances in the preconcentration and determination of platinum group metals in environmental and biological samples

R Komendova - TrAC Trends in Analytical Chemistry, 2020 - Elsevier
Platinum metals enter the environment primarily through the worldwide use of autocatalysts.
The metals are released from the catalyst in the form of microparticles and nanoparticles, in …

Solid-phase trapping of solutes for further chromatographic or electrophoretic analysis

JS Fritz, M Macka - Journal of Chromatography A, 2000 - Elsevier
Because of its simplicity, speed and effectiveness, solid-phase extraction (SPE) has become
the preferred technique for concentration of selected analytes prior to chromatographic or …

Determination of palladium in various samples by atomic absorption spectrometry after preconcentration with dimethylglyoxime on silica gel

Ş Tokalıoğlu, T Oymak, Ş Kartal - Analytica Chimica Acta, 2004 - Elsevier
A preconcentration method based on the adsorption of palladium-dimethylglyoxime (DMG)
complex on silica gel for the determination of palladium at trace levels by atomic absorption …

Solid‐phase extraction in the determination of gold, palladium, and platinum

E Mladenova, I Karadjova… - Journal of separation …, 2012 - Wiley Online Library
A simple classification of various sorbents and solid‐phase extraction procedures used for
preconcentration of trace levels of Au, Pd, and Pt from different sample types is proposed in …