Search Results - "Siqueira, O.S."

The photothermal transparent transducer method applied to the spectroscopy of liquids by de Paula, M.H., Lemos, G.M., do Amaral, M.S., Nunes, J.R., Lourenço, A., de Carvalho, A.A., Kitano, C., da Silva, J.G., Sakamoto, W.K., Siqueira, O.S., Mello, G.A.B., Pinto, J.O.P., Galotto, L., Peres, M.T.L.P.

“…A new kind of spectroscopy of liquids is presented: the photothermal transparent transducer method applied to the spectroscopy of liquid samples. The liquid…”
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Complexation of some trivalent lanthanides, scandium(III) and thorium(IV) by benzylidenepyruvates in aqueous solution by Marques, R.N., Melios, C.B., Pereira, N.C.S., Siqueira, O.S., de Moraes, M., Molina, M., Ionashiro, M.

“…The protonation constants of 4-methylbenzylidenepyruvate (4Me-BP) and 4-isopropylbenzylidenepyruvate (4IP-BP) as well as the stability constants of their…”
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Complexation of some trivalent lanthanides, scandium(III) and thorium(IV) by benzylidenepyruvates and cinnamylidenepyruvate in aqueous solution by Siqueira, O.S., Melios, C.B., Ionashiro, M., de Moraes, M., Molina, M.

“…The protonation constants of benzylidenepyruvate, 2-chloro-, 4-chlorobenzylidinepyruvate and cinnamylidenepyruvate as well as the stability constants of their…”
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4-Dimethylaminocinnamylidenepyruvic acid: synthesis, characterization and complexation with trivalent lanthanides, yttrium(III), scandium(III), thorium(IV) and uranium(VI) in aqueous solution by Pereira, N.C.S., Melios, C.B., Marques, R.N., Siqueira, O.S., de Moraes, M., Molina, M., Ionashiro, M.

“…4-Dimethylaminocinnamylidenepyruvic acid (H-DMCP)and its sodium salt (Na-DMCP) have been synthesized and characterized. The protonation constant of DMCP as…”
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Preparation and thermal decomposition of solid state compounds of 4-methoxybenzylidenepyruvate with alkali earth metals, except beryllium and radium by de Oliveira, L.C.S., Rasera, D.E., Siqueira, O.S., Matos, J.R., Melios, C.B., Ionashiro, M.

“…Solid compounds of general formula ML 2 · nH 2O [where M is Mg, Ca, Sr or Ba; L = 4 methoxybenzylidenepyruvate (4-MeO-BP); n = 4, 1 or 0] have been…”
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