Search Results - "Alves, Jose do Patrocínio H."
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Metal fractionation in sediments of the Sergipe River, northeast, Brazil
Published in Journal of the Brazilian Chemical Society (01-05-2011)“…The sequential extraction procedure proposed by the European Community Bureau of Reference (BCR) was applied for the fractionation of Cd, Cr, Cu, Ni, Pb and Zn…”
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Assessment of trace metals contamination in estuarine sediments using a sequential extraction technique and principal component analysis
Published in Microchemical journal (01-09-2010)“…Fractionation of the metals Cd, Cr, Cu, Ni, Pb and Zn in sediments was performed for samples collected from eight locations in the Poxim river estuary of…”
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Characterisation and source identification of the total airborne particulate matter collected in an urban area of Aracaju, Northeast, Brazil
Published in Environmental pollution (1987) (01-07-2017)“…In this work, studies using samples collected in an urban area of Aracaju city, Sergipe State, Northeast, Brazil revealed that soil dust in suspension was the…”
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Electrochemical and theoretical evaluation of the interaction between dna and amodiaquine: evidence of the guanine adduct formation
Published in Química nova (2010)“…The electrochemical behavior of the interaction of amodiaquine with DNA on a carbon paste electrode was studied using voltametric techniques. In an acid…”
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Optimization of microwave digestion and inductively coupled plasma-based methods to characterize cassava, corn and wheat flours using chemometrics
Published in Microchemical journal (01-11-2017)“…In this work, microwave-assisted digestion sample treatment and two ICP-based method operational conditions were optimized to determine 17 elements in cassava,…”
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Determination of Zn in Dry Feeds for Cats and Dogs by Energy-Dispersive X-Ray Fluorescence Spectrometry
Published in Journal of AOAC International (01-11-2016)“…This work describes an analytical method for Zn determination in dry feeds for cats and dogs by energy-dispersive X-ray fluorescence (EDXRF). Samples of dry…”
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Use of passive biomonitoring to evaluate the environmental impact of emissions from cement industries in Sergipe State, northeast Brazil
Published in Microchemical journal (01-07-2012)“…Measurements of trace elements in tree bark were used to investigate pollution caused by emissions from two cement production plants in the vicinity of the…”
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Regional geochemical baselines and controlling factors for trace metals in sediments from the Poxim River, Northeast Brazil
Published in Journal of the Brazilian Chemical Society (2009)“…The Poxim river hydrographic sub-basin comprises four freshwater rivers, Poxim-Açu, Poxim-Mirim, Poxim and Pitanga, and is located in the East of Sergipe…”
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Characterization of dissolved organic matter in the Piauí river estuary, Northeast Brazil
Published in Journal of the Brazilian Chemical Society (01-11-2011)“…Fluorescence spectroscopy and dissolved organic carbon (DOC) measurements were used to characterize the dissolved organic matter (DOM) in the Piauí River…”
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Metals and acid volatile sulfide in sediment cores from the Sergipe River Estuary, Northeast, Brazil
Published in Journal of the Brazilian Chemical Society (2007)“…Acid volatile sulfide (AVS), simultaneously extracted metals (SEM) and metals were studied in sediment cores from the Sergipe River Estuary, Brazil. AVS and…”
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Optimization method for sequential determination of Cu and Fe in airborne particulate matter collected on glass fiber filters by slurry sampling FAAS
Published in Journal of the Brazilian Chemical Society (01-04-2013)“…A slurry sampling flame atomic absorption spectrometric method for sequential determination of Cu and Fe in airborne particulate matter (APM) collected on…”
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Estudo comparativo da adsorcao de Pb em argila natural caulinitica e contendo montmorilonita
Published in Orbital : The Electronic Journal of Chemistry (01-07-2013)“…Natural clays containing kaolinite (AC) and montmorillonite (AM), obtained from State of Sergipe, Northeast of Brazil, were used as adsorbents for metal ions…”
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Determinacao eletroquimica do pesticida parationa metilica em aguas de reservatorio por voltametria de redissolucao catodica
Published in Orbital : The Electronic Journal of Chemistry (01-07-2011)“…Methyl parathion is an organophosphorus compound widely used in Brazilian agriculture as antifouling agent. Given its importance, this paper presents the…”
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Determinação eletroquímica do pesticida parationa metílica em águas de reservatório por voltametria de redissolução catódica
Published in Orbital : The Electronic Journal of Chemistry (01-12-2011)“…Parationa metílica é um pesticide organofosforado amplamente usado na agricultura brasileira. Devido a sua importância econômica e ambiental, este trabalho…”
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