Arsenic Speciation in Plant Samples from the Iron Quadrangle, Minas Gerais, Brazil

Daus, Birgit; Wennrich, Rainer; Morgenstern, Peter; Weiß, Holger; Palmieri, Helena Eugênia Leonhardt; Nalini, Hermínio Árias; Leonel, L. V.; Monteiro, Roberto Pellacani Guedes; Moreira, Rubens Martins

doi:10.1007/s00604-005-0397-5

Cited by 17 publications

(3 citation statements)

References 14 publications

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“…Arsenic can be associated to sulfur in minerals, such as Arsenopyrite (FeAsS) (Daus et al, 2005;Zhao et al, 2010), which is one of the main minerals associated to gold. This renders gold mining the main anthropic activity responsible for releasing arsenic in the environment (Borba et al, 2000).…”

Section: Introductionmentioning

confidence: 99%

Arsenic accumulation in Brassicaceae seedlings and its effects on growth and plant anatomy

Freitas-Silva

Araújo

Silva

et al. 2016

Ecotoxicology and Environmental Safety

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We wished to evaluate the effects of arsenic on the morphology and anatomy of Brassica oleracea, Raphanus sativus, Brassica juncea, Brassica oleracea var. capitata and Brassica oleracea var. italica. Seeds were subjected to concentrations 0µM, 250µM, 350µM and 450µM arsenic in the form of sodium arsenate (Na2HAsO4·7H2O) during 12 days. All species accumulated more arsenic in the roots than in the shoots, except for B. oleracea var. capitata. There was no difference of translocation factor between species and treatments. Growth decrease was observed in roots of B. oleracea and R. sativus, and in shoots of R. sativus and B. oleracea var. italica. All species presented anatomical alterations in the roots, such as: cell hypertrophy, protoplast retraction, cellular plasmolysis, and necrotic regions. B. juncea presented collapse and hypertrophy of cells from the leaf blade tissues. Quantitative anatomical analyses performed on the root and leaves of B. oleracea and B. juncea revealed that arsenic interfered on the root vascular cylinder diameter and on height of epidermal cells of the adaxial leaf surface of both species. We concluded that arsenic was absorbed from the culture medium and induced alterations both on root and shoot growth of the seedlings. Retention of arsenic within the root was responsible for major damage in this organ.

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Section: Introductionmentioning

confidence: 99%

Arsenic accumulation in Brassicaceae seedlings and its effects on growth and plant anatomy

Freitas-Silva

Araújo

Silva

et al. 2016

Ecotoxicology and Environmental Safety

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“…Ion-exchange chromatography (IEC) is most extensively used, [11][12][13][14][15] because anion-exchange columns generally allow the separation of As III , As V , MMA and DMA species, whereas cation-exchange columns are used to separate AsB, AsC and TMAO among others. [20][21][22][23][24][25] In particular, some studies based on the work of Londesborough et al 26 used a Dionex anion-exchange column with a nitric acid eluent in presence (or not) of ion-pairing reagents (benzene 1,2-disulfonate acid or BDSA) on various matrices such as water, 28,35,[39][40][41] urine, 39 soils, 34,38 plants, 31,34,38 mushrooms, 26 rice, 29 poultry 32,33 and fish products. [26][27][28][29][30]36,37 An important advantage of this column is that a solely nitric acid eluent can be used, which eliminates potential clogging problems in ICP-MS from phosphate or carbonate solvents.…”

Section: Introductionmentioning

confidence: 99%

Optimisation by experimental design of an IEC/ICP-MS speciation method for arsenic in seafood following microwave assisted extraction

Dufailly

Noël

Frémy

et al. 2007

J. Anal. At. Spectrom.

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“…Soil and atmospheric suspended particles ingestion can also be another important way of exposure to arsenic [3,4]. Arsenic speciation analysis in soil can help us to understand the biochemical process of arsenic from soil to plants and to assess the public health risk [5][6][7].…”

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confidence: 99%

Evaluation of extraction methods for arsenic speciation in polluted soil and rotten ore by HPLC-HG-AFS analysis

Yuan

Gao

et al. 2007

Microchim Acta

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Abstract. Three extraction systems including shaking, ultrasonic and microwave-assisted extraction were evaluated. Water and phosphate buffer were tested for the extraction of arsenic compounds in polluted soil, describing the water-soluble or plant-available fraction. The stabilities and recoveries of various arsenic species indicated that no obvious changes of species occurred during the extraction process. The raw extracts were cleaned up by C 18 cartridge before analysis. Having optimized the extraction conditions, the arsenic species in polluted soil and ore from the different pollution sources were extracted by microwave-assisted extraction with 0.5 M phosphate buffer as extractant. Arsenic species were quantitatively determined by high performance liquidchromatographyon-line coupledwith hydridegeneration atomic fluorescence spectrometry (HPLC-HG-AFS). As(III) and As(V) were the major arsenic species in the polluted soil samples resulting from irrigation by waste water. As V was the only form found in the rotten ore sampled in mining area. During the extraction process, the recoveries of spiked As(III), As(V), DMA(V) and MMA(V) were 85.4 AE 7.2%, 80.2 AE 6.7%, 101.6 AE 6.7% and 98.8 AE 9.1%, respectively, showing that most water-soluble arsenic could be measured.

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Arsenic Speciation in Plant Samples from the Iron Quadrangle, Minas Gerais, Brazil

Cited by 17 publications

References 14 publications

Arsenic accumulation in Brassicaceae seedlings and its effects on growth and plant anatomy

Arsenic accumulation in Brassicaceae seedlings and its effects on growth and plant anatomy

Optimisation by experimental design of an IEC/ICP-MS speciation method for arsenic in seafood following microwave assisted extraction

Evaluation of extraction methods for arsenic speciation in polluted soil and rotten ore by HPLC-HG-AFS analysis

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