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Updated: May 15, 2026
Synthesis and Catalytic Performance of Gold Intercalated in the Walls of Mesoporous Silica
Published on: July 9, 2015
Development of a new porous gold SPME fiber for selective and efficient extraction of dodecanethiol followed by GC-MS
Aly M Hafez1, Bernd W Wenclawiak
1Department of Chemistry and Biology, University of Siegen, Siegen, Germany.
Abstract:
The efficiency of a porous gold fiber used for solid-phase microextraction (PG-SPME) was investigated for the extraction of dodecanethiol out of ethanolic solution. A commercially available standard SPME (polydimethylsiloxane, carboxen, divinylbenzene-PDMS-Carb-DVB) was used as a reference to compare the extraction efficiency and selectivity of dodecanethiol with the PG-SPME fiber. The porous gold SPME fiber allowed the analysis of self-assembled monolayers on gold by gas chromatography-mass spectrometry (GC-MS). The PG-SPME fiber showed a five times higher peak area for dodecanethiol in GC-MS compared to the standard PDMS-Carb-DVB fiber.
