Certification of trimethyl-lead in an urban dust reference material (CRM 605)

Abstract

In order to control the quality of trimethyl‐lead determination in urban dust, the Standards, Measurements and Testing Programme (formerly BCR) of the European Commission organized interlaboratory studies of which the final aim was to certify a Reference Material. This paper describes the preparation of an urban dust reference material (CRM 605), the homogeneity and stability studies, and the analytical work performed for the certification of the trimethyl‐lead content (7.9 ± 1.2 μg kg−1 by mass). Copyright © 1999 John Wiley & Sons, Ltd.

Environmentally friendly sample treatment for speciation analysis by hyphenated techniques

“…131 In the case of alkyllead compounds, SFE with methanol modified carbon dioxide enabled quantitative extraction of trimethyl-and triethyl-lead from spiked sediments, while complexation with diethyldithiocarbamate was needed for diethyllead. 132,133 Fluorinated dithiocarbamate and methanol modified carbon dioxide were also used for selective extraction of Cr(VI) from solid samples. 134 SFE was applied for the extraction of arsenic species (As(III), As(V), MMA, DMA) after their derivatization with thioglycolic acid methyl ester.…”

Determination of arsenic species in solid matrices utilizing supercritical fluid extraction coupled with gas chromatography after derivatization with thioglycolic acid n‐butyl ester

“…The method based on the principle that the derivatizing reagent in the supercritical CO 2 could convert charged metal ions into neutral metal complexes, and therefore an improved extraction efficiency was obtained . Besides metal ion extraction, SFE has also been used for extracting metallorganic compounds as well as for analyzing metal species, such as organomercury , organolead , organotin , etc. However, studies on using SFE to extract and analyze different arsenic species have rarely been reported .…”