arsenic species
An Investigation of Inorganic Background Soil Constituents with a Focus on Arsenic Species
... of arsenic onto soil particles of four different soil types consisting of a clay loam, light clay, sand and silt loam; (ii) estimate the proportion of total arsenic that is potentially made available ...of ...
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Distribution and Mobility of Arsenic Species in Solids and Leachate Composts
... of arsenic species in aqueous medium is limited by his adsorption on iron oxides, aluminum, and ...mobilize arsenic present in the solid, according to the chemical form and physical-chemical ...
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Assessment of museum staff exposure to arsenic while handling contaminated exhibits by urinalysis of arsenic species
... to arsenic compounds: (a) determination of total ar- senic (inorganic plus organic arsenicals); (b) determination of inorganic arsenicals and the main me- tabolites monomethylarsonic acid (MMA) and dimethy- ...
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← Return to Article Details ASSESSING THE BIOAVAILABILITY AND BIOACCESSIBILITY OF TOTAL ARSENIC AND ARSENIC SPECIES IN ENVIRONMENTAL SAMPLES
... As species and As bioaccesibility in the carrots, beets and quinoa growing in the same soil contaminated by the element differ between ...Unknown species are the main components of As in beets, probably ...
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Vertical profiles of arsenic and arsenic species transformations in deep-sea sediment, Nankai Trough, offshore Japan
... Water-soluble As compounds in SC from Sites C0002 and C0022 were extracted by the method of Ellwood and Maher (2003). The sediment sample was mixed with a solution of 0.1 M hydroxylammonium chloride and 0.5 M phosphoric ...
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Investigating the origin and transport of methylated arsenic species in plants
... reported that rice plants are also able to reduce TMAO to volatile TMA gas (Jia et al., 2012). Trivalent DMA is very unstable (Gong et al., 2001) which may explain the lack of detection of this As species in ...
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Methylated arsenic species in plants originate from soil microorganisms
... As species were detected both in soil- grown rice shoots and in soil water, their proportions were rela- tively small compared with those reported for mature rice grains (Meharg et ...As species, although ...
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Surfactant modified zeolite Y as a sorbent for some chromium and arsenic species in water
... Numerous sorbents have been developed to remove arsenic from water. The sorbent used for the removal of arsenate and arsenite from water are natural zeolites- clinoptilolite (Elizalde-Gonzalez et al., 2001b), ...
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EuropePMC-PMC5226702.pdf
... enzyme arsenic (III) methyl- transferase, which is responsible for meth- ylation of iAs to ...and arsenic species and skin lesions, clinical manifestations specific to high chronic arsenic ...
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Total arsenic and speciation analysis of saliva and urine samples from individuals living in a chronic arsenicosis area in China
... main arsenic species (As III , As V , MMA, and DMA) between saliva and urine was found in the present ...urinary arsenic, the most excreted compounds were methylated arsenic (DMA and MMA), ...
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Microbial Community Structure and Arsenic Biogeochemistry in Two Arsenic Impacted Aquifers in Bangladesh
... capture arsenic), and natural attenuation via sorption, are clearly not capable of preventing the accumulation of concentrations of arsenic well above the WHO ...of arsenic release, Geobacter ...
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The investigation of unexpected arsenic compounds observed in routine biological monitoring urinary speciation analysis
... Identifying arsenic species in urine samples presents both an analytical and biological challenge, as the metabolism and biotransformation of arsenic compounds in humans is complex ...of ...
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Optimization of CE separation of roxarsone and several arsenic compounds
... different species of arsenic in the environment is due to the fact that physiological and toxic effects of arsenic are connected with its chemical ...different arsenic species varies in ...
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Arsenic speciation in estuarine and oceanic waters by hydride generation atomic fluorescence spectroscopy
... ABSTRACT A method has been developed for the routine determination of four arsenic species arsenite, arsenate, monomethylarsenic and dimethylarsenic in natural water, and has been applie[r] ...
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Body composition and arsenic metabolism: a cross-sectional analysis in the Strong Heart Study
... evaluate arsenic metabolism, we calculated %iAs, %MMA, and %DMA as the relative contribution of iAs, MMA, or DMA to their sum, multiplied by 100, and analyzed the association of each % species biomarker ...
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PubMedCentral-PMC5180459.pdf
... between arsenic metab- olism biomarkers and diabetes may be independent of diabetes type, although this interaction analysis may lack power as a result of the small number of type 2 diabetes ...excluded ...
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ARSENIC UPTAKE AND SPECIATION IN ORIZA SATIVA L GROWN IN WAHALKADA, SRI LANKA
... the arsenic present in rice grown in those particular areas due to the usage of pesticides contaminated with arsenic ...about arsenic levels in rice caused a serious panic among Sri ...inorganic ...
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Arsenic mitigation approach in soil by some indigenous sources of biochar of different pyrolysis temperature
... and arsenic treated soil: Arsenic concentration was BDL (below detection limit) from 0 to 15 days in poultry manure and sewage sludge biochar treated soil and lower concentration of arsenic in cow ...
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Arsenic coagulation/flocculation with iron (iii) hydroxide: Adsorption mechanisms and stability constants of surface complexes
... 1997). Arsenic contaminated drinking water has been found in several countries (Vithanage et ...Hence, arsenic is of major concern to World Health Organization (WHO), United States Environment Protection ...
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I. The Free Energy of Antimony and the Reduction Potential of Antimony. II. The Activity of Perchloric Acid in Aqueous Solution. III. The Free Energy and Heat Content of Arsenic Trioxide and the Reduction Potential of Arsenic
... The solution for the arsenic half-cell was prepared by rotating for 48 hours a mixture of perchloric acid, arsenic trioxide, and finely ground arsenic, at the temperature at which the [r] ...
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