N. S. Bloom

TL;DR: In this paper, a U-tube chromatographic column with 15% OV-3 on Chromosorb WAW-DMSC, held at −196°C in liquid nitrogen, was used to preconcentrate alkylmercury compounds.

TL;DR: In this paper, two isolation procedures for the separation of methyl mercury compounds (MeHg) from natural water samples, followed by aqueous phase ethylation, precollection on the Carbotrap, isothermal gas chromatography and cold vapour atomic fluorescence (CV-AFS) detection were compared and evaluated.

TL;DR: Using a refined two-stage gold amalgamation preconcentration technique in conjunction with cold vapor atomic absorption (CVAA) detection, mercury in various Pacific Northwest coastal waters has been determined through the use of extremely clean reagents and special handling techniques, the blank has been reduced and reproducibility greatly improved for both reducible mercury and total mercury as discussed by the authors.

TL;DR: In this article, a method for sequential selective extractions (SSEs) for Hg in geological solids, validated with extensive quality assurance procedures, was presented, where Mercury was separated into fractions which "make sense" biogeochemically, rather than being identified by specific compounds.

TL;DR: The improved mercury speciation method is five-fold faster than the original method, allowing up to 80 samples to be analyzed within 8 hr, and increased the precision of the ethylation reaction and refined the MMHg determination.