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Lemos, Valfredo A.
137
results:
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Online (137)
Mediatypes
Articles (Online) (102)
OpenAccess-fulltext (35)
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english (133)
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?
1
Automated flow systems for total and isotopic analysis of u..:
Avivar, Jessica
;
Felix, Caio S.A.
;
Lemos, Valfredo A.
...
TrAC Trends in Analytical Chemistry. 166 (2023) - p. 117146 , 2023
Link:
https://doi.org/10.1016/..
?
2
Application of human health risk indices in assessing conta..:
Ferreira, Sergio L.C.
;
Cerda, Victor
;
Cunha, Francisco A.S.
...
TrAC Trends in Analytical Chemistry. 167 (2023) - p. 117281 , 2023
Link:
https://doi.org/10.1016/..
?
3
Dynamic reversed-phase liquid-liquid microextraction for th..:
Ferreira, Vanessa J.
;
Lemos, Valfredo A.
;
Teixeira, Leonardo S.G.
Journal of Food Composition and Analysis. 117 (2023) - p. 105098 , 2023
Link:
https://doi.org/10.1016/..
?
4
Liquid-phase extraction combined with X-ray fluorescence sp..:
Ferreira, Vanessa J.
;
Virgens, Fernanda B. S.
;
Pires, Laís N.
...
Applied Spectroscopy Reviews. 58 (2022) 9 - p. 610-628 , 2022
Link:
https://doi.org/10.1080/..
?
5
Multivariate optimization of ultrasound-assisted liquid–liq..:
Ferreira, Vanessa Jesus
;
de Jesus, Marina Santos
;
dos Santos, Mayara Costa
...
Analytical Methods. 13 (2021) 2 - p. 267-273 , 2021
Link:
https://doi.org/10.1039/..
?
6
Determination of Cu, Ni, Mn, and Pb in diesel oil samples u..:
Ferreira, Vanessa de Jesus
;
Almeida, Jorge S.
;
Lemos, Valfredo A.
...
Talanta. 222 (2021) - p. 121514 , 2021
Link:
https://doi.org/10.1016/..
?
7
Strategies for inorganic speciation analysis employing spec..:
Ferreira, Sergio L.C.
;
Junior, Joao B. Pereira
;
Almeida, Lucas C.
...
Microchemical Journal. 153 (2020) - p. 104402 , 2020
Link:
https://doi.org/10.1016/..
?
8
Emulsification solidified floating organic drop microextrac..:
de S. Dias, Fabio
;
de S. R. Neto, Salvador C.
;
de N. Pires, Laís
.
Analytical Methods. 12 (2020) 6 - p. 865-871 , 2020
Link:
https://doi.org/10.1039/..
?
9
Ultrasound-Assisted Dispersive Liquid-Liquid Microextractio..:
Almeida, Jorge S.
;
Meira, Lucilia A.
;
Nascimento, Ana D. S.
...
Food Analytical Methods. 14 (2020) 3 - p. 596-605 , 2020
Link:
https://doi.org/10.1007/..
?
10
Determination of cadmium in bread and biscuit samples using..:
Santos, Analú P
;
dos Santos, Márcio JS
;
das Graças Andrade Korn, Maria
.
Journal of the Science of Food and Agriculture. 99 (2019) 10 - p. 4609-4614 , 2019
Link:
https://doi.org/10.1002/..
?
11
A closed inline system for sample digestion using 70% hydro..:
Cruz Junior, Raineldes A.
;
Chagas, Adriano V.B.
;
Felix, Caio S.A.
...
Talanta. 191 (2019) - p. 479-484 , 2019
Link:
https://doi.org/10.1016/..
?
12
An online preconcentration system for speciation analysis o..:
dos Santos, Queila O.
;
Silva Junior, Mario M.
;
Lemos, Valfredo A.
..
Microchemical Journal. 143 (2018) - p. 175-180 , 2018
Link:
https://doi.org/10.1016/..
?
13
Multivariate optimization techniques in analytical chemistr..:
Ferreira, Sergio L.C.
;
Lemos, Valfredo A.
;
de Carvalho, Vanessa S.
...
Microchemical Journal. 140 (2018) - p. 176-182 , 2018
Link:
https://doi.org/10.1016/..
?
14
Direct and Simultaneous Determination of Copper and Iron in..:
Santos, Liz O. dos
;
Brandao, Geovani C.
;
Santos, Ana M. P. dos
..
Food Analytical Methods. 10 (2016) 2 - p. 469-476 , 2016
Link:
https://doi.org/10.1007/..
?
15
Preparation and characterization of a new reference materia..:
dos Santos, Ana Maria P.
;
dos Santos, Liz O.
;
Brandao, Geovani C.
...
Accreditation and Quality Assurance. 22 (2016) 1 - p. 37-43 , 2016
Link:
https://doi.org/10.1007/..
1-15