全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:... Wanderley José de Melo , Eder José dos Santos , Amanda Beatriz Herrmann
来源:[J].Semina: Ciências Agrárias(IF 0.301), 2014, Vol.35 (1), pp.135-148DOAJ
摘要:This experiment aim was to evaluate the contamination of the trace elements (TE) arsenic, barium, cadmium, chromium, copper, mercury, molybdenum, nickel, lead, selenium, and zinc considered in the CONAMA resolution 375 after 13 years long using sewage sludge (SS) as fertiliz...
作者:Amanda Beatriz Herrmann , Suzete Kulik ...
来源:[J].Brazilian Archives of Biology and Technology(IF 0.473), 2013, Vol.56 (1), pp.127-134DOAJ
摘要:An on-line method for Cd and Pb pre-concentration and simultaneous determination in acid digested seafood by inductively coupled plasma optical emission spectrometry (ICP OES) was developed. The on-line pre-concentration was based on the complex formation of the analytes wit...
作者:Amanda Beatriz Herrmann , Suzete Kulik ...
来源:[J].Brazilian Archives of Biology and Technology(IF 0.473), 2012, Vol.55 (3), pp.457-464DOAJ
摘要:A method for evaluating inorganic constituents in the grass by ICP OES is proposed. The samples were digested with nitric acid plus hydrogen peroxide in a microwave system. Seventeen samples were collected in the metropolitan area of Curitiba and Castro in the Paraná State, ...
作者:Amanda Beatriz Herrmann , José Luiz Olkuszewski ...
来源:[J].Brazilian Archives of Biology and Technology(IF 0.473), 2005, Vol.48 (5), pp.681-687DOAJ
摘要:The performance of axial view ICP OES and ICP-MS techniques were compared through the determination of As, Fe, Mn, Pb, Sb and Sn in electrolytic copper. Samples were prepared by two procedures: 1. Total dissolution with 5 % v/v HNO3 and 2. Dissolution with 1.4 % v/v HNO3 plu...
作者:Amanda Beatriz Herrmann , Silvia Kato Prado ...
来源:[J].Microchemical Journal(IF 2.879), 2013, Vol.108, pp.233-238Elsevier
摘要:Abstract(#br)A simple and rapid method for the simultaneous determination of As, Sb and Pb in glass beads used for pavement markings on highway surfaces by axial view inductively coupled plasma optical emission spectrometry is presented. Three sample preparation approaches u...
作者:Amanda Beatriz Herrmann , Fabíula Vieira ...
来源:[J].Microchemical Journal(IF 2.879), 2010, Vol.96 (1), pp.27-31Elsevier
摘要:Abstract(#br)Mercury and lead were determined in an extraction solution applied to compact fluorescent lamps by axial view inductively coupled plasma optical emission spectrometry (ICP OES). The solution contained 50% v/v HNO 3 and 10% v/v H 2 O 2 . The compact fluorescent l...
作者:Amanda Beatriz Herrmann , Suzete Kulik de Caires ...
来源:[J].Spectrochimica Acta Part B: Atomic Spectroscopy(IF 3.141), 2009, Vol.64 (6), pp.549-553Elsevier
摘要:Abstract(#br)A simple and fast method for the determination of Se in biological samples, including food, by axial view inductively coupled plasma optical emission spectrometry using on-line chemical vapor generation (CVG–ICP OES) is proposed. The concentrations of HCl and Na...
作者:Amanda Beatriz Herrmann , Vera Lúcia Azzolin Frescura
来源:[J].Analytica Chimica Acta(IF 4.387), 2005, Vol.548 (1), pp.166-173Elsevier
摘要:Abstract(#br)Seven slurry preparation procedures were evaluated concerning the simultaneous determination of Hg and Se by on-line chemical vapor generation coupled to axial view ICP OES, using: (1) aqua regia and sonication; (2) HCl, sonication and heating at 90 °C; (3) tetr...
作者:Amanda Beatriz Herrmann , Mariana Antunes Vieira ...
来源:[J].Spectrochimica Acta Part B: Atomic Spectroscopy(IF 3.141), 2004, Vol.60 (5), pp.659-665Elsevier
摘要:Abstract(#br)Five different slurry preparation procedures were tested, after grinding the solid samples to a particle size ≤53 μm: (1) using aqua regia plus HF, 30 min of sonication, standing time of 24 h followed by another 30 min of sonication; (2) same as the previous one...
作者:Amanda Beatriz Herrmann , Anderson Schwingel Ribeiro
来源:[J].Talanta(IF 3.498), 2004, Vol.65 (2), pp.593-597Elsevier
摘要:Abstract(#br)A method for the on-line preconcentration of Cd based on its complex formation with the ammonium salt of O,O- diethylditiophosphate (DDTP) and using the Amberlite XAD-4 resin as a solid support in a column is proposed. Cadmium was detected by flame atomic absorp...

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