Issue 13, 2014

A very simple and fast analytical method for atmospheric particulate-bound mercury determination

Abstract

In this paper, we present the results obtained for the determination of particulate-bound mercury (PHg) collected on a glass fiber filter by a combustion-AAS technique using a Direct Mercury Analyzer® (DMA-80 TRICELL; Milestone Inc., Italy). The accuracy of the method was demonstrated by comparison with the U.S. EPA IO-5 method. Sampling was always performed in duplicate using two identical sampling devices arranged side by side. The limit of quantitation of the proposed method was 0.22 ng, which was in the same order as that observed for the U.S. EPA method (0.23 ng), and corresponds to 5.0 pg m−3 for a sampling flow of 30 L min−1 and a 24 h sampling period. For paired sampling filters, the precision was <10% for PHg concentrations in the range of 6.5 to 29.3 pg m−3. For triplicate filters spiked with 0.3000 and 1.000 ng Hg(II), the recovery was (97 ± 2)% and (85 ± 9)%, respectively. The accuracy was checked by analyzing paired sampling filters by both methods (DMA and U.S. EPA) and did not show any significant difference (p > 0.05).

Graphical abstract: A very simple and fast analytical method for atmospheric particulate-bound mercury determination

Article information

Article type
Paper
Submitted
06 mar. 2014
Accepted
16 abr. 2014
First published
16 abr. 2014

Anal. Methods, 2014,6, 4537-4541

Author version available

A very simple and fast analytical method for atmospheric particulate-bound mercury determination

S. Ferlin, A. H. Fostier and J. Javier Melendez-Perez, Anal. Methods, 2014, 6, 4537 DOI: 10.1039/C4AY00573B

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