2011
DOI: 10.1590/s0100-40422011000100010
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Determinação de arsênio em amostras da cadeia produtiva de frangos de corte por espectrometria de absorção atômica com forno de grafite

Abstract: . Chicken meat is largely consumed in human nutrition and it is produced in extremely large scale in some countries, including Brazil. In this work graphite furnace atomic absorption spectrometry was used for determination of arsenic in chicken and chicken production-related samples. These samples were digested employing a microwaveassisted procedure in closed vessels using a 7 mol L -1 nitric acid solution plus concentrated hydrogen peroxide. The concentration range of total As determined in chicken productio… Show more

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Cited by 10 publications
(1 citation statement)
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“…It is well known that the sample preparation is a critical step in any analytical procedure, especially when it involves a complex matrix. Almost all sample preparation procedures (Cabrera et al, 1994;Demirel, Tuzen, Saracoglu, & Soylak, 2008;Dionísio, Gonzales, & N obrega, 2011;Matos et al, 2009;Muñiz-Naveiro et al, 2005;Saracoglu, Tuzen, & Soylak, 2009;Shah et al, 2009;Tuzen, Silici, Mendil, & Soylak, 2007) are based on the use of concentrated acids for promoting an aggressive attack, particularly under high temperature and pressure when using closed and pressurized reaction vessels (N obrega et al, 2006). However, in Brazil, specifically in Agricultural National Laboratories, called LANAGRO, the calcination method is used for sample treatment for cadmium monitoring in edible offal of several animal species.…”
Section: Introductionmentioning
confidence: 99%
“…It is well known that the sample preparation is a critical step in any analytical procedure, especially when it involves a complex matrix. Almost all sample preparation procedures (Cabrera et al, 1994;Demirel, Tuzen, Saracoglu, & Soylak, 2008;Dionísio, Gonzales, & N obrega, 2011;Matos et al, 2009;Muñiz-Naveiro et al, 2005;Saracoglu, Tuzen, & Soylak, 2009;Shah et al, 2009;Tuzen, Silici, Mendil, & Soylak, 2007) are based on the use of concentrated acids for promoting an aggressive attack, particularly under high temperature and pressure when using closed and pressurized reaction vessels (N obrega et al, 2006). However, in Brazil, specifically in Agricultural National Laboratories, called LANAGRO, the calcination method is used for sample treatment for cadmium monitoring in edible offal of several animal species.…”
Section: Introductionmentioning
confidence: 99%