Valdemar Inocêncio Esteves


AuthID: R-000-HBF

Confirmed Publications: 51



41
TITLE: Fluorescence and DOC contents of estuarine pore waters from colonized and non-colonized sediments: Effects of sampling preservation
AUTHORS: Otero, M; Mendonca, A; Valega, M; Santos, EBH ; Pereira, E ; Esteves, VI ; Duarte, A ;
PUBLISHED: 2007, SOURCE: CHEMOSPHERE, VOLUME: 67, ISSUE: 2
INDEXED IN: Scopus WOS CrossRef Handle
IN MY: ORCID
42
TITLE: Optimization of phenolic compounds analysis by capillary electrophoresis
AUTHORS: Lima, DLD ; Duarte, AC ; Esteves, VI ;
PUBLISHED: 2007, SOURCE: TALANTA, VOLUME: 72, ISSUE: 4
INDEXED IN: Scopus WOS Handle
IN MY: ORCID
43
44
TITLE: Stable carbon isotope ratios of tandem fractionated humic substances from different water bodies
AUTHORS: Esteves, VI ; Otero, M; Santos, EBH ; Duarte, AC ;
PUBLISHED: 2007, SOURCE: ORGANIC GEOCHEMISTRY, VOLUME: 38, ISSUE: 6
INDEXED IN: Scopus WOS CrossRef Handle
IN MY: ORCID
45
TITLE: Structural description of humic substances from subtropical coastal environments using elemental analysis, FT-IR and C-13-solid state NMR data  Full Text
AUTHORS: Sierra, MMD; Giovanela, M; Parlanti, E; Esteves, VI ; Duarte, AC ; Fransozo, A; Soriano Sierra, EJ;
PUBLISHED: 2005, SOURCE: JOURNAL OF COASTAL RESEARCH, VOLUME: 21, ISSUE: SPEC. ISS. 42
INDEXED IN: Scopus WOS
IN MY: ORCID | ResearcherID
46
TITLE: Using capillary electrophoresis for the determination of organic acids in Port wine  Full Text
AUTHORS: Esteves, VI ; Lima, SSF; Lima, DLD ; Duarte, AC ;
PUBLISHED: 2004, SOURCE: 3rd Symposium on In Vino Analytica Scientia in ANALYTICA CHIMICA ACTA, VOLUME: 513, ISSUE: 1
INDEXED IN: Scopus WOS CrossRef: 50
IN MY: ORCID | ResearcherID
47
TITLE: Differences between Humic Substances from Riverine, Estuarine, and Marine Environments Observed by Fluorescence Spectroscopy
AUTHORS: Esteves, VI ; Duarte, AC ;
PUBLISHED: 2000, SOURCE: Acta Hydrochimica et Hydrobiologica, VOLUME: 28, ISSUE: 7
INDEXED IN: Scopus
IN MY: ORCID
48
TITLE: Humic substances' proton-binding equilibria: Assessment of errors and limitations of potentiometric data
AUTHORS: Santos, EBH ; Esteves, VI ; Rodrigues, JPC ; Duarte, AC ;
PUBLISHED: 1999, SOURCE: ANALYTICA CHIMICA ACTA, VOLUME: 392, ISSUE: 2-3
INDEXED IN: Scopus WOS CrossRef Handle
IN MY: ORCID
49
TITLE: Study of the effect of pH, salinity and DOC on fluorescence of synthetic mixtures of freshwater and marine salts
AUTHORS: Esteves, VI ; Santos, EBH ; Duarte, AC ;
PUBLISHED: 1999, SOURCE: JOURNAL OF ENVIRONMENTAL MONITORING, VOLUME: 1, ISSUE: 3
INDEXED IN: Scopus WOS CrossRef Handle
IN MY: ORCID
50
TITLE: Thermogravimetric properties of aquatic humic substances  Full Text
AUTHORS: Esteves, VI ; Duarte, AC ;
PUBLISHED: 1999, SOURCE: MARINE CHEMISTRY, VOLUME: 63, ISSUE: 3-4
INDEXED IN: Scopus WOS CrossRef: 20
IN MY: ORCID | ResearcherID
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