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:Daniela Schiavo , Joaquim A. Nóbrega
来源:[J].Microchemical Journal(IF 2.879), 2017, Vol.130, pp.271-275Elsevier
摘要:Abstract(#br)An analytical method was developed for determination of Cd, Sn, Pd, Pt and Rh in sediments, fertilizer and sludge samples by inductively coupled plasma tandem mass spectrometry (ICP-MS/MS). The performance of ICP-MS/MS using oxygen into the octopole reaction sys...
作者:... Alex Virgilio , Daniela Schiavo , Joaquim A. Nóbrega
来源:[J].Microchemical Journal(IF 2.879), 2017, Vol.133, pp.567-571Elsevier
摘要:Abstract(#br)In this work a new procedure for the determination of ultra-trace concentrations of Mo in plants is proposed. Microwave-assisted acid digestion of plants were performed without H 2 O 2 in order to minimize contaminations and obtain lower procedure's blank. Solut...
作者:... Alex Virgilio , Daniela Schiavo , Joaquim A. Nóbrega
来源:[J].Microchemical Journal(IF 2.879), 2015, Vol.120, pp.64-68Elsevier
摘要:Abstract(#br)It is well known that molybdenum oxides affect Cd determination by inductively coupled plasma mass spectrometry (ICP-MS). It is proposed here a procedure for simultaneous determination of Cd and Mo. The effectiveness of the ICP-MS with tandem configuration (ICP-...
作者:Daniela Schiavo , Ana Rita A. Nogueira
来源:[J].Microchemical Journal(IF 2.879), 2015, Vol.122, pp.29-32Elsevier
摘要:Abstract(#br)Inductively coupled plasma mass spectrometer with a triple quadrupole (ICP-MS/MS) was employed to determine carbon from different sources such as plant digests, amino acids and peptides. Adequate precision, accuracy and sensitivity were obtained when using eithe...
作者:... George L. Donati , Daniela Schiavo , Joaquim A. Nóbrega
来源:[J].Microchemical Journal(IF 2.879), 2013, Vol.106, pp.318-322Elsevier
摘要:Abstract(#br)In the present work, microwave-induced plasma optical emission spectrometry (MIP OES) and the flow blurring nebulizer (FBN) technology are used to determine silicon in diesel and biodiesel samples. A simple dilute-and-shoot procedure with ethanol is presented. T...
作者:... Clarice D. B. Amaral , Daniela Schiavo , Joaquim A. Nóbrega
来源:[J].Food Analytical Methods(IF 1.969), 2017, Vol.10 (4), pp.992-998Springer
摘要:Abstract(#br)Reports from the US media have raised the attention towards a possible contamination of apple juices by As. The study here described presents the development of an analytical procedure using inductively coupled plasma tandem mass spectrometry (ICP-MS/MS) for det...
作者:Daniela Schiavo , Juan A. V. A. Barros ...
来源:[J].Analytical Letters(IF 0.965), 2016, Vol.49 (13), pp.2092-2098Taylor & Francis
摘要:ABSTRACT(#br)The performance of an inductively coupled plasma optical emission spectrometer was evaluated using Ar, Ba, Mg, and Ni as test elements. Short- and long-term stabilities were excellent with relative standard deviations lower than 2%. The warm-up times in axial, radial...
作者:Daniela Schiavo , José Anchieta Gomes Neto
来源:[J].Analytical Letters(IF 0.965), 2017, Vol.50 (5), pp.842-852Taylor & Francis
摘要:ABSTRACT(#br)A procedure for the determination of As, Cd, Cr, Ni, Pb, and V in phytotherapy medicines by inductively coupled plasma–tandem mass spectrometry is reported. The use of tandem mass spectrometry with oxygen into an octopole reaction system at various gas flow rate...
作者:Daniela Schiavo , Letícia M. Costa ...
来源:[J].Talanta(IF 3.498), 2016, Vol.161, pp.826-829Elsevier
摘要:Abstract(#br)This work describes a procedure using the recently proposed standard dilution analysis (SDA) calibration method for the determination of As, Cr and Ni in concentrated HNO 3 and HCl by inductively coupled plasma tandem mass spectrometry (ICP-MS/MS). Because of th...
作者:... Lucimar L. Fialho , Daniela Schiavo , Joaquim A. Nóbrega
来源:[J].Spectrochimica Acta Part B: Atomic Spectroscopy(IF 3.141), 2016, Vol.126, pp.31-36Elsevier
摘要:Abstract(#br)The reactivity and analytical performance of O 2 as cell gas in inductively coupled plasma tandem mass spectrometry was investigated. Selected analytes in a wide mass range were divided in three groups according to their reactivity: G1 represents elements with h...

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