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Updated: Aug 25, 2026

Fabrication of a Dipole-assisted Solid Phase Extraction Microchip for Trace Metal Analysis in Water Samples
Published on: August 7, 2016
Microextended X-ray absorption fine structure studies of cadmium speciation within single municipal solid waste fly
Maria Caterina Camerani Pinzani1, Stuart Ansell, Andrea Somogyi
1Department of Inorganic Environmental Chemistry, Chalmers University of Technology, S-412 96 Göteborg, Sweden. caterina@inoc.chalmers.se
Abstract:
The local chemical structure of trace amounts of cadmium within microvolumes of highly inhomogeneous municipal solid waste fly ash particles was successfully monitored by means of micro-EXAFS. A new quantification procedure was developed for the evaluation of the micro-EXAFS data sets obtained from each individual particle based on a reverse Monte Carlo simulation. Evidence has been presented for the existence of cadmium silicate and cadmium chloride, with the cadmium silicate being the dominant form, and it has been demonstrated that the cadmium exists in both crystalline and amorphous states within the microspots analyzed.
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