Articles with "gaseous elemental" as a keyword



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Gaseous Elemental Mercury (GEM) in the Mexico City Metropolitan Area

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Published in 2021 at "Bulletin of Environmental Contamination and Toxicology"

DOI: 10.1007/s00128-021-03293-6

Abstract: This paper presents atmospheric gaseous elemental mercury (GEM) data recorded during two short-term monitoring surveys in the Mexico City Metropolitan Area (MCMA) at 12th May 2019 and at 22nd May 2020, during conditions of low… read more here.

Keywords: gaseous elemental; gem; mexico city; mercury gem ... See more keywords
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Mechanism study of enhanced interaction between gaseous elemental mercury and hydroxylated UIO-66

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Published in 2020 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-020-08415-x

Abstract: Novel hydroxylated UIO-66 for gaseous elemental mercury (Hg 0 ) removal has been considered to be an emerging method because of its economical and reusable property. Density functional theory studies were investigated to reveal the… read more here.

Keywords: gaseous elemental; mercury hydroxylated; hydroxylated uio; elemental mercury ... See more keywords
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Characteristics of gaseous elemental mercury and its corresponding source contributions to regional transport in Hefei, China

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Published in 2021 at "Atmospheric Pollution Research"

DOI: 10.1016/j.apr.2021.101146

Abstract: Abstract The characteristics of atmospheric gaseous elemental mercury (GEM) in Hefei, China in winter, spring, and autumn 2016 were investigated in this study. Higher GEM concentrations in spring were associated with more abundant anthropogenic emissions… read more here.

Keywords: gaseous elemental; hefei china; gem; elemental mercury ... See more keywords
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Morphology-controlled synthesis and sulfur modification of 3D hierarchical layered double hydroxides for gaseous elemental mercury removal.

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Published in 2019 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2018.10.062

Abstract: Porous structure and effective active site are beneficial for gaseous elemental mercury (Hg0) capture. Two kinds of hierarchical porous layered double hydroxides (LDHs) were synthesized through an in-situ growth method. Sulfur was used for the… read more here.

Keywords: gaseous elemental; layered double; removal; elemental mercury ... See more keywords
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Primary Measurement of Gaseous Elemental Mercury Concentration with a Dynamic Range of Six Decades.

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Published in 2022 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.2c03622

Abstract: We present a primary method for absolute reference material-free measurement of gaseous elemental mercury mass concentration based on laser absorption spectroscopy at wavelengths near 254 nm and anchored to the international system of units. A… read more here.

Keywords: measurement gaseous; dynamic range; gaseous elemental; elemental mercury ... See more keywords
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Measurement of the Vertical Distribution of Gaseous Elemental Mercury Concentration in Soil Pore Air of Subtropical and Temperate Forests.

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Published in 2021 at "Environmental science & technology"

DOI: 10.1021/acs.est.0c05204

Abstract: Solid-gas-water phase partitioning of mercury (Hg) and the processes governing its diffusivity within soils are poorly studied. In this study, landscape and forest species dependences of gaseous elemental Hg (Hg(0)) in soil profiles (0-50 cm)… read more here.

Keywords: gaseous elemental; temperate; soil pore; vertical distribution ... See more keywords
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Spatial and Temporal Trends of Gaseous Elemental Mercury over a Highly Impacted Coastal Environment (Northern Adriatic, Italy)

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Published in 2020 at "Atmosphere"

DOI: 10.3390/atmos11090935

Abstract: Mercury (Hg) is a global pollutant, being highly persistent in the atmosphere, in particular gaseous elemental mercury (GEM), which can easily be emitted and then transported over long distances. In the Gulf of Trieste (northern… read more here.

Keywords: gaseous elemental; northern adriatic; gem; spatial temporal ... See more keywords
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Gaseous Elemental Mercury Concentrations along the Northern Gulf of Mexico Using Passive Air Sampling, with a Comparison to Active Sampling

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Published in 2020 at "Atmosphere"

DOI: 10.3390/atmos11101034

Abstract: Mercury is a toxic element that is dispersed globally through the atmosphere. Accurately measuring airborne mercury concentrations aids understanding of the pollutant’s sources, distribution, cycling, and trends. We deployed MerPAS® passive air samplers (PAS) for… read more here.

Keywords: elemental mercury; mercury concentrations; passive air; gaseous elemental ... See more keywords
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Eddy covariance flux measurements of gaseous elemental mercury over a grassland

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Published in 2020 at "Atmospheric Measurement Techniques"

DOI: 10.5194/amt-13-2057-2020

Abstract: Abstract. Direct measurements of the net ecosystem exchange (NEE) of gaseous elemental mercury ( Hg0 ) are important to improve our understanding of global Hg cycling and, ultimately, human and wildlife Hg exposure. The lack… read more here.

Keywords: gaseous elemental; flux; hg0; eddy covariance ... See more keywords