Centro de Investigação Em Química da Universidade do Porto (CIQUP)

AuthID: I-000-1AC

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Publications Count: 2684

114 Team Members
Filters -> Year: 2025
2521
TITLE: Thermochemical and theoretical studies of 4-methylbiphenyl, 4,4' -dimethylbiphenyl, 4,4'-dimethyl-2,2'-bipyridine
AUTHORS: Ribeiro Da Suva, MAV; Agostinha R Matos, M ; Do Rio, CMA; Morals, VMF;
PUBLISHED: 1997, SOURCE: Journal of the Chemical Society - Faraday Transactions, VOLUME: 93, ISSUE: 17, PAGES: 3061-3065
2522
TITLE: Thermochemical and theoretical studies of 4-methylbiphenyl, 4,4'-dimethylbiphenyl, 4,4'-dimethyl-2,2'-bipyridine
AUTHORS: daSilva, MAVR ; Mates, MAR ; doRio, CMA; Morais, VMF;
PUBLISHED: 1997, SOURCE: JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS, VOLUME: 93, ISSUE: 17, PAGES: 3061-3065
2523
TITLE: Thermochemical and theoretical study of some quinoxaline 1,4-dioxides and of pyrazine 1,4-dioxide
AUTHORS: Acree, WE; Powell, JR; Tucker, SA; Maria D. M. C. Ribeiro da Silva ; Matos, MAR ; Goncalves, JM ; Santos, LMNBF ; Morais, VMF ; Pilcher, G;
PUBLISHED: 1997, SOURCE: JOURNAL OF ORGANIC CHEMISTRY, VOLUME: 62, ISSUE: 11, PAGES: 3722-3726
2524
TITLE: Thermochemical and theoretical study of some quinoxaline 1,4-dioxides and of pyrazine 1,4-dioxide. (vol 62, pg 3724, 1997)
AUTHORS: Acree, WE; Powell, JR; Tucker, SA; Maria D. M. C. Ribeiro da Silva ; Matos, MAR; Goncalves, JM ; Santos, LMNBF; Morais, VMF; Pilcher, G;
PUBLISHED: 1997, SOURCE: JOURNAL OF ORGANIC CHEMISTRY, VOLUME: 62, ISSUE: 25, PAGES: 8960-8960
2525
TITLE: 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
AUTHORS: daSilva, JCGE ; Machado, AASC; Ramos, MA; Arce, F; Rey, F;
PUBLISHED: 1997, SOURCE: ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY, VOLUME: 16, ISSUE: 9, PAGES: 1845-1850
2526
TITLE: 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
AUTHORS: Joaquim C G Esteves da Silva ; Adélio A S C Machado; Angeles A Ramos; Florencio Arce; Francisco Rey;
PUBLISHED: 1997, SOURCE: Environmental Toxicology and Chemistry, VOLUME: 16, ISSUE: 9, PAGES: 1845-1850
2527
TITLE: Additional evidence of the operational character of the lability of complexes of copper(II) with simple organic ligands
AUTHORS: Vasconcelos, MTSD; Azenha, MAO ;
PUBLISHED: 1996, SOURCE: ANALYTICA CHIMICA ACTA, VOLUME: 333, ISSUE: 1-2, PAGES: 97-105
2528
TITLE: Catanionic surfactants
AUTHORS: Khan, A; Marques, E ;
PUBLISHED: 1996, SOURCE: Specialist Surfactants, PAGES: 37-80
2529
TITLE: Characterization of the binding sites for Al(III) and Be(II) in a sample of marine fulvic acids
AUTHORS: daSilva, JCGE ; Machado, AASC;
PUBLISHED: 1996, SOURCE: MARINE CHEMISTRY, VOLUME: 54, ISSUE: 3-4, PAGES: 293-302
2530
2531
TITLE: Electrochemical evidence of surfactant activity of the hepes pH buffer which may have implications on trace metal availability to cultures in vitro
AUTHORS: Vasconcelos, MTSD; Azenha, MAGO ; Lage, OM ;
PUBLISHED: 1996, SOURCE: ANALYTICAL BIOCHEMISTRY, VOLUME: 241, ISSUE: 2, PAGES: 248-253
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2537
TITLE: Quantitative study of Be(II) complexation by soil fulvic acids by molecular fluorescence spectroscopy
AUTHORS: daSilva, JCGE ; Machado, AASC; Ramos, MA; Arce, F; Rey, F;
PUBLISHED: 1996, SOURCE: ENVIRONMENTAL SCIENCE & TECHNOLOGY, VOLUME: 30, ISSUE: 11, PAGES: 3155-3160
2538
TITLE: 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
AUTHORS: daSilva, JCGE; Machado, AASC ; Silva, CSPCO;
PUBLISHED: 1996, SOURCE: ANALYTICA CHIMICA ACTA, VOLUME: 318, ISSUE: 3, PAGES: 365-372
2539
TITLE: Study of the interaction of a marine fulvic acid with Cu(II) at low concentration by molecular fluorescence and chemometrics
AUTHORS: daSilva, JCGE ; Machado, AASC;
PUBLISHED: 1996, SOURCE: ANALES DE QUIMICA, VOLUME: 92, ISSUE: 5, PAGES: 306-311
2540

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