Publications

Publications with the same authors as the STUDY OF AQUEOUS ACIDIC PROPERTIES OF FULVIC-ACIDS BY EVOLVING FACTOR-ANALYSIS OF PH + FT-IR TITRATION DATA publication

Group by: Tipo Ano Order: Title Year Type of publication

Article in International Scientific Journal

Variation of the stability of complexes of Al(III) with a fulvic acid extracted from a humic cambisol soil in the pH range three to five

dasilva, jcge (Author) (FCUP); machado, aasc (Author) (Other); ramos, ma (Author) (Other); arce, f (Author) (Other); rey, f (Author) (Other)

1997

Scientific classification Indexing

ISI Web of Knowledge - 6 Citations

Scopus - 9 Citations

FOS: Earth and related Environmental sciences

Variation of the stability of complexes of Al(III) with a fulvic acid extracted from a humic cambisol soil in the pH range three to five

Joaquim C G E Esteves da Silva (Author) (FCUP); Machado, AASC (Author) (Other); Ramos, MA (Author) (Other); Arce, F (Author) (Other); Rey, F (Author) (Other)

1997

The complexation of Cu(II) by anthropogenic fulvic acids extracted from composted urban and livestock wastes

dasilva, jcge (Author) (FCUP); machado, aasc (Author) (Other); pinto, mssds (Author) (Other)

1997

Scientific classification Indexing

ISI Web of Knowledge - 3 Citations

Scopus - 3 Citations

FOS: Earth and related Environmental sciences

Study of the interaction of Al(III) with a soil fulvic acid in the acid pH range by self-modeling mixture analysis of synchronous fluorescence spectral data

dasilva, jcge (Author) (FCUP); machado, aasc (Author) (Other); oliveira, cjs (Author) (Other)

1997

Scientific classification Indexing

ISI Web of Knowledge - 12 Citations

Scopus - 17 Citations

FOS: Chemical sciences

Study of the interaction of a soil fulvic acid with UO22+ by self-modelling mixture analysis of synchronous molecular fluorescence spectra

daSilva, JCGE (Author) (FCUP); Machado, AASC (Author) (Other); Oliveira, CJS (Author) (Other)

1996

Scientific classification Indexing

ISI Web of Knowledge - 26 Citations

Scopus - 27 Citations

FOS: Chemical sciences

Study of the interaction of a marine fulvic acid with Cu(II) at low concentration by molecular fluorescence and chemometrics

daSilva, JCGE (Author) (FCUP); Machado, AASC (Author) (Other)

1996

Scientific classification Indexing

ISI Web of Knowledge - 2 Citations

FOS: Chemical sciences

Study of the complexation of Cu(II) by fulvic acids extracted from a sewage sludge and its compost

dasilva, jcge (Author) (FCUP); machado, aasc (Author) (Other); pinto, mssds (Author) (Other)

1997

Scientific classification Indexing

ISI Web of Knowledge - 8 Citations

Scopus - 9 Citations

FOS: Chemical sciences

Simultaneous use of evolving factor analysis of fluorescence spectral data and analysis of pH titration data for comparison of the acid-base properties of fulvic acids

daSilva, JCGE (Author) (FCUP); Machado, AASC (Author) (Other); Silva, CSPCO (Author) (Other)

1996

Scientific classification Indexing

ISI Web of Knowledge - 31 Citations

Scopus - 32 Citations

FOS: Chemical sciences

Self-modelling curve resolution analysis of synchronous fluorescence spectroscopy data for characterization of acid mixtures and study of acid¿base equilibria

Joaquim C G E Esteves da Silva (Author) (FCUP); Machado, AASC (Author) (Other)

1995

Quantitative study of Be(II) complexation by soil fulvic acids by molecular fluorescence spectroscopy

dasilva, jcge (Author) (FCUP); machado, aasc (Author) (Other); ramos, ma (Author) (Other); arce, f (Author) (Other); rey, f (Author) (Other)

1996

Scientific classification Indexing

ISI Web of Knowledge - 17 Citations

Scopus - 26 Citations

FOS: Environmental engineering

Procedure for the classification of fulvic acids and similar substances based on the variation with pH of their synchronous fluorescence spectra

dasilva, jcge (Author) (FCUP); machado, aasc (Author) (Other)

1997

Scientific classification Indexing

ISI Web of Knowledge - 13 Citations

Scopus - 13 Citations

FOS: Chemical sciences

MULTIWAVELENGTH ANALYSIS OF SYNCHRONOUS FLUORESCENCE-SPECTRA OF THE COMPLEXES BETWEEN A SOIL FULVIC-ACID AND CU(II)

MACHADO, AASC (Author) (Other); DASILVA, JCGE (Author) (FCUP); MAIA, JAC (Author) (FCUP)

1994

Scientific classification Indexing

ISI Web of Knowledge - 40 Citations

Scopus - 39 Citations

FOS: Chemical sciences

Monitoring of molecular transformations in acid-base reactions by evolving factor analysis of Fourier transform infrared spectra data

daSilva, JCG (Author) (FCUP); Machado, AASC (Author) (Other); Oliveira, CJS (Author) (Other)

1996

Scientific classification Indexing

ISI Web of Knowledge - 7 Citations

Scopus - 8 Citations

FOS: Chemical sciences

Method for the differentiation of leaf litter extracts and study of their interaction with Cu(II) by molecular fluorescence

da Silva, JCGE (Author) (FCUP); Machado, AASC (Author) (Other); Ferreira, MA (Author) (Other); Rey, F (Author) (Other)

1998

Scientific classification Indexing

ISI Web of Knowledge - 7 Citations

Scopus - 7 Citations

FOS: Chemical sciences

Interaction of fulvic acids with Al(III) studied by self-modeling curve resolution of second-derivative synchronous fluorescence spectra

daSilva, JCGE (Author) (FCUP); Machado, AASC (Author) (Other)

1996

Scientific classification Indexing

ISI Web of Knowledge - 25 Citations

Scopus - 26 Citations

FOS: Other engineering and technologies

Interaction of Fulvic Acids with Al(III) Studied by Self-Modeling Curve Resolution of Second-Derivative Synchronous Fluorescence Spectra

Joaquim C G E Esteves da Silva (Author) (FCUP); Machado, AASC (Author) (Other)

1996

Fluorescence quenching of anthropogenic fulvic acids by Cu(II), Fe(III) and UO(2)(2+)

da Silva, JCGE (Author) (FCUP); Machado, AASC (Author) (Other); Oliveira, CJS (Author) (Other); Pinto, MSSDS (Author) (Other)

1998

Scientific classification Indexing

ISI Web of Knowledge - 119 Citations

Scopus - 136 Citations

FOS: Chemical sciences

FACTOR-ANALYSIS OF MOLECULAR FLUORESCENCE DATA OF MARINE AND SOIL FULVIC-ACIDS

machado, aasc (Author) (Other); dasilva, jcge (Author) (FCUP)

1993

Scientific classification Indexing

ISI Web of Knowledge - 39 Citations

Scopus - 39 Citations

FOS: Electrical engineering, Electronic engineering, Information engineering

Evolving Factor Analysis of Synchronous Fluorescence Spectra of Fulvic Acids in the Presence of Aluminum

Silva, CSPCO (Author) (Other); Joaquim C G E Esteves da Silva (Author) (FCUP); Machado, AASC (Author) (Other)

1994

Indexing

Scopus - 51 Citations

Effect of the pH on the complexation of Cu(II), Ni(II) and Fe(III) ions by a vine leaf litter extract by fluorescence quenching

da silva, jcge (Author) (FCUP); herrero, ai (Author) (Other); machado, aasc (Author) (Other); barrado, e (Author) (Other)

1998

Scientific classification Indexing

ISI Web of Knowledge - 3 Citations

Scopus - 4 Citations

FOS: Chemical sciences

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