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Contribution of Asian outflow to atmospheric concentrations of sulfate and trace elements in aerosols during winter in Japan
Asian outflow nonsea-salt sulfate trace elements sulfur isotopes coal combustion
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2017/4/11
The atmospheric concentrations of nonsea-salt (nss) SO4
2– and trace elements (As, Cd, Co, Cr, Cu, Mn, Ni, Pb, Sb, Se,
V, and Zn) were measured for aerosol samples collected concurrently at ten site...
Calcium-sulfate rich water in landslide area of Tateyama Caldera, northern central Japan
water geochemistry Tateyama caldera Ca–SO4 type water landslide sulfur isotopes
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2017/4/11
Chemistry of surface waters from the Tateyama caldera known as a site of frequent landslides in northern central Japan
was investigated to obtain the relationship between their geochemical characteri...
Chemical characteristics and δ34S–SO4 2– of acid rain: Anthropogenic sulfate deposition and its impacts on CO2 consumption in the rural karst area of southwest China
karst rainwater chemical composition carbonate weathering southwest China
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2017/4/11
We analyzed rainwater collected from Huanjiang, China, between June, 2007 and May, 2008, with the aim of understanding
the origin of the acid rain and its potential impacts on CO2 uptake by carbonate...
Occurrence, genesis and environmental significance of schwertmannite in re-flooded Acid Sulfate Soils in the Lower Murray Reclaimed Irrigation Area
genesis environmental significance schwertmannite re-flooded Acid Sulfate Soils the Lower Murray Reclaimed Irrigation Area
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2012/3/30
The Lower Murray Reclaimed Irrigation Area (LMRIA) comprises approximately 5,000ha of flood-irrigated agricultural land located on the floodplain of the River Murray between Mannum and Lake Alexandrin...
Will sea-level rise solve our coastal acid sulfate soil issues?
sea-level rise solve coastal acid sulfate soil issues
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2012/3/30
Sea level has risen approximately 1.2 mm/year over the last 100 years (Hennessy et al., 2004) and is predicted to rise up to 80 cm by 2100 relative to 1990 sea levels (IPCC, 2007). The number of extre...
Dissolution of clay sediments in acid-sulfate systems
Dissolution clay sediments acid-sulfate systems
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2012/3/30
Significant quantities of sulfidic sediments have been reported to have recently accumulated in inland wetlands of Murray Darling Basin due to a combination of long periods of inundation and the entra...
Thermochemical reduction of magnesium sulfate by natural gas: Insights from an experimental study
natural gas thermochemical sulfate reduction (TSR) carbon isotope fractionation
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2017/4/12
Thermochemical reduction of MgSO4 by natural gas was carried out in the presence of water. Chemical and carbon
isotopic variations were characterized with microcoulometry, gas chromatography, FT-IR, ...
Ten-year observation of sulfur isotopic composition of sulfate in aerosols collected at Tsuruoka, a coastal area on the Sea of Japan in northern Japan
long-term observation aerosol sulfate δ34S
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2017/8/9
Atmospheric aerosol samples were collected from 1993 to 2003 at Tsuruoka, Japan, a coastal area on the Sea of Japan. Concentration of water-soluble chemical components and sulfur isotopic ratios of su...
Groundwaters of Mt. Vulture volcano, southern Italy: Chemistry and sulfur isotope composition of dissolved sulfate
Mt. Vulture volcano water-rock interaction silicate weathering hydrogeochemistry sulfur isotope composition
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2017/8/9
We report the chemical composition of groundwaters—including the first data on the sulfur isotopic composition of dissolved sulfate—from the volcanic aquifers of Mt. Vulture, one of the most important...
Stable isotope studies of moss sulfur and sulfate from bog surface waters
sulfur stable isotope peat bog Sphagnum Polytrichum
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2017/8/10
Two moss genera (Sphagnum and Polytrichum) were collected seasonally in two close (~0.45 km distance) but environmentally different locations, an Open bog and a Spruce forest at Hala Izerska (the Izer...
Effect of Kaolinite and Sulfate on the Formation of Hydroxy-Aluminum Compounds
Bayerite CMS Clay KGa-2 Gibbsite Hydroxysulfate Noncrystalline Compounds Nordstrandite
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2011/12/2
Abstract: OH-Al solutions were prepared by adding appropriate amounts of NaOH to AlCl3 to obtain OH/Al mole ratios of 2.0, 2.5, 2.7, 3.0, and 3.3 in the final suspension. Solid Na2SO4 and Georgia kaol...
Effect of Phosphate on the Formation of Nanophase Lepidocrocite from Fe(II) Sulfate
Goethite Lepidocrocite Nanophase Phosphate Rietveld Analysis
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2011/12/6
Abstract: The effect of phosphate on the formation of Fe oxides from Fe(II) salts is important because phosphate is a ubiquitous anion in natural environments. For this reason, the products formed by ...
Role of Tartaric Acid in the Inhibition of the Formation of Al13 Tridecamer Using Sulfate Precipitation
Al-Hydroxy Sulfates Al13 Tridecamer Powder XRD Data SEM Solid-State NMR Tartaric Acid
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2011/12/7
Abstract: Polynuclear Al13 tridecamer species are the major hydrolyzed species of aluminum, but their occurrence in terrestrial environments has not been established. X-ray diffraction (XRD), 27Al nuc...
Influence of Mn2+ and pH on the Formation of Iron Oxides from Ferrous Chloride and Ferrous Sulfate Solutions
Goethite Infrared spectroscopy Iron oxides Lepidocrocite Maghemite Manganese Synthesis X-ray powder diffraction
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2012/1/6
The influence of Mn2+ on the formation of Fe oxides at pHs of 6.0 and 8.0 and varying Mn/Fe molar ratios (0, 0.1, 1.0, and 10.0) in the FeCl2-NH4OH and FeSO4-NH4OH systems was studied by X-ray powder ...
Adsorption and Desorption of N-Methyl 8-Hydroxy Quinoline Methyl Sulfate on Smectite and the Potential Use of the Clay-Organic Product as an Ultraviolet Radiation Collector
Adsorption Cation-exchange capacity N-methyl 8-hydroxy quinoline methyl sulfate Pharmaceutical Smectite Visible-ultraviolet spectroscopy
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2012/1/5
The interaction between N-methyl 8-hydroxy quinoline methyl sulfate, a drug that absorbs erymathogenic near-ultraviolet radiation, and smectite was studied by X-ray powder diffraction (XRD) and adsorp...