A review of passive sampling systems for ambient air mercury measurements

Atmospheric mercury (Hg) temporal and spatial patterns must be measured accurately in order to adequately understand the role of this pathway as it relates to Hg toxicity and exposure of humans and wildlife to Hg. It is also important to understand the distribution of the different chemical forms (elemental, oxidized, or particle bound) and specific compounds in air (e.g., HgCl2, HgBr2, HgO, Hg(NO3)2, and HgSO4). However, the current automated and passive sampling methods of measurement have limitations and artifacts impacting our ability to achieve this task. Both abiotic and biotic systems have been developed to measure the total gaseous Hg and oxidized Hg compounds (concentration and deposition). This study reviews and compares the performance of previously and currently applied passive sampling systems. Computable fluid dynamic modeling was conducted to gain additional understanding of a gaseous oxidized Hg (GOM) passive sampler. Case studies during which passive samplers were used are also presented to demonstrate the ability of passive samplers to capture atmospheric Hg variation. A network using passive samplers would be useful for monitoring global Hg trends due to the limits of the current automated method.

Medienart:

E-Artikel

Erscheinungsjahr:

2014

Erschienen:

2014

Enthalten in:

Zur Gesamtaufnahme - volume:16

Enthalten in:

Environmental science. Processes & impacts - 16(2014), 3 vom: 21. März, Seite 374-92

Sprache:

Englisch

Beteiligte Personen:

Huang, Jiaoyan [VerfasserIn]
Lyman, Seth N [VerfasserIn]
Hartman, Jelena Stamenkovic [VerfasserIn]
Gustin, Mae Sexauer [VerfasserIn]

Links:

Volltext

Themen:

Air Pollutants
FXS1BY2PGL
Journal Article
Mercury
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Review

Anmerkungen:

Date Completed 30.07.2014

Date Revised 27.02.2014

published: Print-Electronic

Citation Status MEDLINE

doi:

10.1039/c3em00501a

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM233892605