Copper, zinc and manganese determination in saline samples employing faas after separation and preconcentration on Amberlite XAD-7 and Dowex 1x-8 loaded with Alizarin Red S
摘要：
Two procedures have been proposed and compared for separation and preconcentration of trace amounts ...
doi：
10.1590/S0103-50532004000200009
作 者：
Santos Jr., Aníbal d...
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Journal of the Brazilian Chemical Society
Substitution reaction between functionalized Z-vinylic tellurides and lower order cyanocuprates: synthesis of Z or E alpha,beta unsaturated esters using the same Z-vinylic telluride
摘要：
The substitution reaction between lower order cyanocuprates and functionalized Z-vinylic tellurides ...
doi：
10.1590/S0103-50532004000400002
作 者：
Castelani, Priscila;...
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期刊标题：
Journal of the Brazilian Chemical Society
Grafting of tetrahydrophthalic and maleic anhydride onto polyolefins in solution
摘要：
Tetrahydrophthalic (THA) and maleic (MA) anhydrides were grafted onto linear low density polyethylen...
doi：
10.1590/S0103-50532004000400015
作 者：
Petri, Denise F. S.;...
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Journal of the Brazilian Chemical Society
Terpenoid constituents from leaves of Guarea kunthiana
摘要：
From leaves of Guarea kunthiana one new kaurene diterpene (ent-kaur-16-en-2-one) was isolated along ...
doi：
10.1590/S0103-50532004000500025
作 者：
Universidade Federal...
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Journal of the Brazilian Chemical Society
Factors that influence the yield and composition of Brazilian propolis extracts
摘要：
During the extraction of propolis several factors were varied in order to determine how they affecte...
doi：
10.1590/S0103-50532004000600026
作 者：
Centro Universitário...
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期刊标题：
Journal of the Brazilian Chemical Society
Properties of [Pd2X2(dppm)2] (X = Cl, SnCl3, dppm = Bis(diphenylphosphino)methane) complexes on porous vycor glass
摘要：
Porous Vycor glass (PVG) is used as a matrix for immobilization of complexes containing metal-metal ...
doi：
10.1590/S0103-50532004000500005
作 者：
Gimenez, Iara de Fát...
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期刊标题：
Journal of the Brazilian Chemical Society
Determination of gibberellic acid by sequential injection analysis using a potentiometric detector based on Mn(III)-porphyrin with improved characteristics
摘要：
This work describes the determination of gibberellic acid in growth promoters formulations used in a...
doi：
10.1590/S0103-50532004000500015
作 者：
Couto, Cristina M. C...
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Journal of the Brazilian Chemical Society
Investigation of the influence of the anode composition of DSA-type electrodes on the electrocatalytic oxidation of phenol in neutral medium
摘要：
In this paper, phenol oxidation was used as a probe reaction to carry out a systematic investigation...
doi：
10.1590/S0103-50532004000500003
作 者：
Andrade, Adalgisa R....
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期刊标题：
Journal of the Brazilian Chemical Society
Simultaneous in-line concentration for spectrophotometric determination of cations and anions
摘要：
A flow system is proposed for simultaneous in-line concentration of cations and anions. A sliding-ba...
doi：
10.1590/S0103-50532004000100008
作 者：
Reis, Boaventura F;U...
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期刊标题：
Journal of the Brazilian Chemical Society
Electroreduction of dipyridamole at mercury-coated platinum microelectrode
摘要：
The electroreduction of Dipyridamole (DIP) was studied in 0.10 mol L-1 phosphate buffer solution (pH...
doi：
10.1590/S0103-50532004000300011
作 者：
Mazo, Luiz Henrique;...
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期刊标题：
Journal of the Brazilian Chemical Society
