Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Juliana S.F. Pereira"'
Autor:
Juliano Smanioto Barin, Erico M.M. Flores, Leticia S. F. Pereira, Lucas Schmidt, Juliana S.F. Pereira, Clarissa M. Moreira
Publikováno v:
Microchemical Journal. 109:29-35
In this study, a recently sample preparation method based on focused microwave-induced combustion (FMIC) is proposed for milk powder digestion (for adult and infant nutrition) for subsequent determination of Ba, Ca, Co, Cr, Cu, Fe, Mg, Mn, Sr, V and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4edda9cd9ac55dabdb1010256461288c
https://doi.org/10.1016/j.microc.2012.05.010
https://doi.org/10.1016/j.microc.2012.05.010
Autor:
Marcia F. Mesko, Erico M.M. Flores, Paola A. Mello, Joaquim A. Nóbrega, Juliano Smanioto Barin, Diogo P. Moraes, Juliana S.F. Pereira, C. L. Knorr, Maria das Graças Andrade Korn
Publikováno v:
Talanta. 94:308-314
The advantages and shortcomings of focused microwave-induced combustion (FMIC) for digestion of plant samples were studied. The effects of sample mass, absorbing solution, oxygen gas flow-rate, and time of reflux step on recoveries of major, minor an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::23299b23a76686a6451e964b755fbc19
https://doi.org/10.1016/j.talanta.2012.03.048
https://doi.org/10.1016/j.talanta.2012.03.048
Autor:
Michele S.P. Enders, Fabiane G. Antes, Valderi L. Dressler, Clarissa M. Moreira, Edson I. Muller, Juliana S.F. Pereira, Erico M.M. Flores
Publikováno v:
Microchemical Journal. 101:54-58
Bromine and iodine determination was performed in carbon nanotubes (CNTs) by inductively coupled plasma mass spectrometry (ICP-MS) after sample preparation using pyrohydrolysis. Samples of CNTs (up to 500 mg) were mixed with 750 mg of V2O5 and heated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aaf9b8e3ceac14c89b85597f068d5d5c
https://doi.org/10.1016/j.microc.2011.10.005
https://doi.org/10.1016/j.microc.2011.10.005
Autor:
Juliana S.F. Pereira, Cezar A. Bizzi, Marcia F. Mesko, Erico M.M. Flores, Carla A. Hartwig, Paola A. Mello
Publikováno v:
International Journal of Mass Spectrometry. 307:123-136
In this review the recent strategies of sample preparation are described and discussed for biomolecules separation/extraction for further metal(oid) or metal(oid)-containing compounds determination by inductively coupled plasma mass spectrometry (ICP
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::567df0e204e3fbd3729f0f12a4961ae9
https://doi.org/10.1016/j.ijms.2011.03.002
https://doi.org/10.1016/j.ijms.2011.03.002
Autor:
Juliana S.F. Pereira, Erico M.M. Flores, Diogo P. Moraes, Fabiane G. Antes, Maria de Fátima Pereira dos Santos, Liange O. Diehl, José N. G. Paniz, Regina C. L. Guimarães
Publikováno v:
Separation Science and Technology. 46:1358-1364
Microwave radiation in closed vessels was used for the separation of heavy crude oil emulsions for further oil characterization. Operational conditions were studied and the following parameters were evaluated: water content, density, viscosity, N, S,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46350d615fd540d4e9b25cd210c2698d
https://doi.org/10.1080/01496395.2011.560590
https://doi.org/10.1080/01496395.2011.560590
Autor:
Christian Nyrop Albers, Juliana S.F. Pereira, Erico M.M. Flores, Clarissa M. Moreira, Ole Stig Jacobsen
Publikováno v:
Chemosphere. 83:281-286
Chemically chlorinated organic matter as well as natural background humic acids contain significant amounts of organically bound halogens that must be determined for assessment of environmental pollution. In this work the use of ion chromatography (I
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5fdee9a82a97d55accc0b47987a00c7
https://doi.org/10.1016/j.chemosphere.2010.12.068
https://doi.org/10.1016/j.chemosphere.2010.12.068
Autor:
Fabiane G. Antes, Valderi L. Dressler, Regina C. L. Guimarães, Diogo P. Moraes, Juliana S.F. Pereira, Liange O. Diehl, Erico M.M. Flores, Teresa C.O. Fonseca, Maria de Fátima Pereira dos Santos
Publikováno v:
Microchemical Journal. 96:4-11
A method for light and heavy crude oil digestion using microwave-induced combustion (MIC) in closed vessels is described for further determination of Ag, As, Ba, Bi, Ca, Cd, Cr, Fe, K, Mg, Li, Mn, Mo, Ni, Pb, Rb, Se, Sr, Tl, V, and Zn by inductively
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba24afda5adc87fa403d0e3ec4b21056
https://doi.org/10.1016/j.microc.2009.12.016
https://doi.org/10.1016/j.microc.2009.12.016
Autor:
Ole Stig Jacobsen, Juliana S.F. Pereira, Christian Nyrop Albers, Troels Laier, Erico M.M. Flores
Publikováno v:
Biogeochemistry. 103:317-334
Natural chloroform in soil gas below four coniferous forest sites was studied. High concentrations were found within narrow areas—Hot Spots—varying from ~25 to >400 m2 in size, with chloroform concentrations being typically 20–100 times those i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e0b3298feaf0b8b7840e073e55e52e5
https://doi.org/10.1007/s10533-010-9467-9
https://doi.org/10.1007/s10533-010-9467-9
Autor:
Marcia F. Mesko, Joaquim A. Nóbrega, Erico M.M. Flores, Diogo P. Moraes, José N. G. Paniz, Paola A. Mello, Juliana S.F. Pereira, Maria das Graças Andrade Korn, Juliano Smanioto Barin
Publikováno v:
Analytical Chemistry. 82:2155-2160
A procedure for sample digestion based on focused microwave-induced combustion (FMIC) is proposed. This system was developed using a commercial focused microwave oven with a lab-made quartz sample holder and a modified glass vessel. Oxygen flow was u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::35869ed172a59bca6192201217e336b9
https://doi.org/10.1021/ac902976j
https://doi.org/10.1021/ac902976j
Autor:
Guenter Knapp, Fabio A. Duarte, Erico M.M. Flores, Regina C. L. Guimarães, Paola A. Mello, Juliana S.F. Pereira, Maria de Fátima Pereira dos Santos, Valderi L. Dressler
Publikováno v:
Energy & Fuels. 23:6015-6019
The microwave-induced combustion (MIC) method was applied for digestion of crude oil vacuum distillation residue for further chlorine determination. Ignition was performed by microwave radiation using a microwave oven designed for conventional pressu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1a5ea4b87c6e04514d82a619826bbc6
https://doi.org/10.1021/ef900707n
https://doi.org/10.1021/ef900707n