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Maria Goreti R Vale
Maria Goreti R Vale
Professor of Analytical Chemistry, Universidade Federal do Rio Grande do Sul
Verified email at ufrgs.br
Title
Cited by
Cited by
Year
Methods for vanadium determination in fuel oil by GF AAS with microemulsification and acid digestion sampling
FAC Amorim, DC Lima, JAA Amaro, MGR Vale, SLC Ferreira
Journal of the Brazilian Chemical Society 18, 1566-1570, 2007
6252007
Atomic spectrometric methods for the determination of metals and metalloids in automotive fuels–a review
MGA Korn, DSS dos Santos, B Welz, MGR Vale, AP Teixeira, ...
Talanta 73 (1), 1-11, 2007
2362007
Determination of vanadium in petroleum and petroleum products using atomic spectrometric techniques
FAC Amorim, B Welz, ACS Costa, FG Lepri, MGR Vale, SLC Ferreira
Talanta 72 (2), 349-359, 2007
1962007
Current status of direct solid sampling for electrothermal atomic absorption spectrometry—a critical review of the development between 1995 and 2005
MGR Vale, N Oleszczuk, WNL Dos Santos
Applied Spectroscopy Reviews 41 (4), 377-400, 2006
1922006
Application of polyurethane foam as a sorbent for trace metal pre-concentration—a review
VA Lemos, MS Santos, ES Santos, MJS Santos, WNL Dos Santos, ...
Spectrochimica acta part B: Atomic spectroscopy 62 (1), 4-12, 2007
1572007
The use of microemulsion for determination of sodium and potassium in biodiesel by flame atomic absorption spectrometry
A de Jesus, MM Silva, MGR Vale
Talanta 74 (5), 1378-1384, 2008
1532008
Method development for the determination of nickel in petroleum using line-source and high-resolution continuum-source graphite furnace atomic absorption spectrometry
MGR Vale, ICF Damin, A Klassen, MM Silva, B Welz, AF Silva, FG Lepri, ...
Microchemical Journal 77 (2), 131-140, 2004
1532004
High-resolution continuum-source atomic absorption spectrometry: what can we expect?
B Welz, H Becker-Ross, S Florek, U Heitmann, MGR Vale
Journal of the Brazilian Chemical Society 14 (2), 220-229, 2003
1532003
Comparison of ultrasound-assisted extraction, slurry sampling and microwave-assisted digestion for cadmium, copper and lead determination in biological and sediment samples by …
ÉC Lima, F Barbosa Jr, FJ Krug, MM Silva, MGR Vale
Journal of Analytical Atomic Spectrometry 15 (8), 995-1000, 2000
1332000
Progress in direct solid sampling analysis using line source and high-resolution continuum source electrothermal atomic absorption spectrometry
B Welz, MGR Vale, DLG Borges, U Heitmann
Analytical and Bioanalytical Chemistry 389 (7), 2085-2095, 2007
1302007
High-resolution continuum source atomic and molecular absorption spectrometry—a review
B Welz, S Mores, E Carasek, MGR Vale, M Okruss, H Becker-Ross
Applied Spectroscopy Reviews 45 (5), 327-354, 2010
1172010
High-resolution continuum source electrothermal atomic absorption spectrometry—an analytical and diagnostic tool for trace analysis
B Welz, DLG Borges, FG Lepri, MGR Vale, U Heitmann
Spectrochimica Acta Part B: Atomic Spectroscopy 62 (9), 873-883, 2007
1142007
Method development for the determination of manganese, cobalt and copper in green coffee comparing direct solid sampling electrothermal atomic absorption spectrometry and …
N Oleszczuk, JT Castro, MM da Silva, AK Maria das Graças, B Welz, ...
Talanta 73 (5), 862-869, 2007
1022007
Slurry sampling—an analytical strategy for the determination of metals and metalloids by spectroanalytical techniques
SLC Ferreira, M Miro, EGP da Silva, GD Matos, PS dos Reis, GC Brandao, ...
Applied Spectroscopy Reviews 45 (1), 44-62, 2010
1002010
Continuum source atomic absorption spectrometry: past, present and future aspects-a critical review
B Welz, MGR Vale, ÉR Pereira, INB Castilho, MB Dessuy
Journal of the Brazilian Chemical Society 25, 799-821, 2014
992014
Method development for the determination of thallium in coal using solid sampling graphite furnace atomic absorption spectrometry with continuum source, high-resolution …
AF Silva, DLG Borges, B Welz, MGR Vale, MM Silva, A Klassen, ...
Spectrochimica Acta Part B: Atomic Spectroscopy 59 (6), 841-850, 2004
992004
Speciation analysis of volatile and non-volatile vanadium compounds in Brazilian crude oils using high-resolution continuum source graphite furnace atomic absorption spectrometry
FG Lepri, B Welz, DLG Borges, AF Silva, MGR Vale, U Heitmann
Analytica Chimica Acta 558 (1-2), 195-200, 2006
912006
Determination of cadmium, copper and lead in mineral coal using solid sampling graphite furnace atomic absorption spectrometry
MGR Vale, MM Silva, B Welz, EC Lima
Spectrochimica Acta Part B: Atomic Spectroscopy 56 (10), 1859-1873, 2001
822001
Method development for the determination of cadmium in fertilizer samples using high-resolution continuum source graphite furnace atomic absorption spectrometry and slurry sampling
AR Borges, EM Becker, C Lequeux, MGR Vale, SLC Ferreira, B Welz
Spectrochimica Acta Part B: Atomic Spectroscopy 66 (7), 529-535, 2011
802011
Determination of calcium and magnesium in biodiesel by flame atomic absorption spectrometry using microemulsions as sample preparation
A de Jesus, AV Zmozinski, JA Barbara, MGR Vale, MM Silva
Energy & fuels 24 (3), 2109-2112, 2010
782010
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