Iron dissolution and speciation in atmospheric mineral dust

This work describes metal-metal synergistic and antagonistic effects on iron dissolution that go beyond aggregation and ionic strength effects in mineral dust ...

Highlights. •. Mineral dusts with high %Ti show enhanced total iron dissolution. •. When hematite is mixed with TiO2, iron dissolution increases. •.

Iron dissolution and speciation in atmospheric mineral dust - NSF PAR

In this study, we investigated iron mobilization by proton-promoted dissolution in natural mineral dust samples from the Kalahari Desert (SZ1) ...

Iron dissolution and speciation in atmospheric mineral dust: Metal ...

Iron dissolution and speciation in atmospheric mineral dust: Metal-metal synergistic and antagonistic effects. Citation Details. Title: Iron dissolution and ...

Effect of Mineralogy on Dissolution and Speciation of Iron ...

The current work focuses on the effect of minerology on atmospheric processing of Fe-containing mineral dust using four authentic dust samples, collected from ...

Iron dissolution and speciation in atmospheric mineral dust

Request PDF | Iron dissolution and speciation in atmospheric mineral dust: Metal-metal synergistic and antagonistic effects | Under acidic atmospheric ...

Fractional solubility of iron in mineral dust aerosols over coastal ...

The fractional solubility of Fe (%SFe) for both the identified dust episodes and background conditions ranged between 1.3 % and 20 % and ...

Iron dissolution and speciation from combustion particles under ...

Iron-containing combustion particles are likely to contribute to environmental iron deposition, while atmospheric acidic processing of such particles can ...

Iron (Fe) speciation in size-fractionated aerosol particles in the ...

Atmospheric deposition is one of the main sources of dissolved iron (Fe) in the ocean surfaces. Atmospheric processes are recognized as ...

Bioavailable iron production in airborne mineral dust

Iron dissolution and speciation in atmospheric mineral dust: metal-metal synergistic and antagonistic effects. Atmos. Chem. Phys. 187, 417 ...

Iron dissolution and speciation in atmospheric mineral dust - OUCI

Iron dissolution and speciation in atmospheric mineral dust: Metal-metal synergistic and antagonistic effects.

Roles of particle size and acid anion in iron dissolution - PNAS

A number of recent studies have shown that iron dissolution in Fe-containing dust aerosol can be linked to source material (mineral or anthropogenic), ...

roles of particle size and acid anion in iron dissolution - PubMed

... (mineral or anthropogenic), mineralogy, and iron speciation. All of ... atmospheric processing of iron-containing mineral dust aerosol. Publication ...

and Ligand-Promoted Dissolution Kinetics of Iron in Simulated Dark ...

Quantifying the Effect of Basic Minerals on Acid- and Ligand-Promoted Dissolution Kinetics of Iron in Simulated Dark Atmospheric Aging of Dust ...

Mineral Dust and Iron Solubility: Effects of Composition, Particle Size ...

Atmospheric mineral dust contains approximately 3% iron by mass and can undergo long range transport, resulting in an estimated 14–16 Tg of iron deposited into ...

Iron dissolution from Patagonian dust in the Southern Ocean

The Fe dissolution rate of Patagonian dust was 3.8% per day under present conditions and approximatively half of the rate (1.8% per day) under future ...

Trends in the solubility of iron in dust‐dominated aerosols in the ...

Iron solubilities typically ranged from 1% to 3%. Fe(III) dominates the iron solubility over the entire range of particle sizes. At mineral dust ...

Mechanistic Study on Iron Solubility in Atmospheric Mineral Dust ...

Atmospheric processing of mineral dust aerosols has been identified as a major contributor to bioavailable Fe in the marine environment.

Bio-Available Iron from Atmospheric Dust

Earth system models conventionally assume a constant rate of iron solubility in dust, which could lead scientists to miscalculate carbon dioxide sequestration, ...

Acidic processing of mineral dust iron by anthropogenic compounds ...

Observations of the soluble iron fraction in atmospheric aerosol exhibit large variability, which is poorly represented in models. In this study ...