Electrochemical sensors: a powerful tool in analytical chemistry

期刊论文
摘要:
Potentiometric, amperometric and conductometric electrochemical sensors have found a number of inter...
doi:
10.1590/S0103-50532003000200003
作 者:
Stradiotto, Nelson R...
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Journal of the Brazilian Chemical Society

An automatic flow-batch standard-addition method for sodium determination in alcohol fuel by flame photometry

期刊论文
摘要:
The Brazilian Regulatory Agency for fuel production and commercialization requires that the sodium c...
doi:
10.1590/S0103-50532003000200010
作 者:
Almeida, Luciano F. ...
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期刊标题:
Journal of the Brazilian Chemical Society

Collision-induced effects on the dielectric properties of liquid dimethylsulfoxide

期刊论文
摘要:
doi:
10.1590/S0103-50532003000100023
作 者:
Skaf, Munir S.;Vechi...
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期刊标题:
Journal of the Brazilian Chemical Society

Heterogenization of alkene epoxidation catalysts

期刊论文
摘要:
This account describes our efforts to heterogenize epoxidation catalysts. Anchored and sol-gel entra...
doi:
10.1590/S0103-50532003000300002
作 者:
Buffon, Regina;Schuc...
作者机构:
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期刊标题:
Journal of the Brazilian Chemical Society

Influence of the preparation procedure on the electrochemical properties of Pani(DMcT-Cu ion)/carbon fiber composites

期刊论文
摘要:
The electrochemical properties of Pani(DMcT-Cu ion)/carbon fiber composites, obtained by electrochem...
doi:
10.1590/S0103-50532003000400020
作 者:
Universidade Federal...
作者机构:
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期刊标题:
Journal of the Brazilian Chemical Society

SISTAX: an intelligent tool for recovering information on natural products chemistry

期刊论文
摘要:
This work describes the development of a new program, named SISTAX, for the expert system SISTEMAT. ...
doi:
10.1590/S0103-50532003000300005
作 者:
Ferreira, Marcelo J....
作者机构:
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期刊标题:
Journal of the Brazilian Chemical Society

Cassane diterpenes from Plathymenia reticulata

期刊论文
摘要:
From trunk heartwood of Plathymenia reticulata (Leguminosae) two novel cassane diterpenes 16,18-diac...
doi:
10.1590/S0103-50532003000100019
作 者:
Universidade Federal...
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Journal of the Brazilian Chemical Society

Aliphatic and aromatic hydrocarbons in tropical recent sediments of Campos dos Goytacazes, RJ, Brazil

期刊论文
摘要:
Sediment samples from the Imb茅, the Urubu and the Urura铆 rivers and from Lake de Cima were studied. ...
doi:
10.1590/S0103-50532003000300004
作 者:
Gomes, Alexandre de ...
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Journal of the Brazilian Chemical Society

FIA-FAAS method for tannin determination based on a precipitation reaction with hemoglobin

期刊论文
摘要:
A flow system, coupled with flame atomic absorption spectrometry (FIA-FAAS), was developed for tanni...
doi:
10.1590/S0103-50532003000200023
作 者:
Universidade Federal...
作者机构:
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期刊标题:
Journal of the Brazilian Chemical Society

Sensitized photooxygenation of Ent-Pimaradiene derivatives

期刊论文
摘要:
Methyl esters of diterpenoids ent-pimara-9(11),15-dien-19-oic acid (1), ent-pimara-7,15-dien-19-oic ...
doi:
10.1590/S0103-50532003000300020
作 者:
Roque, Nídia F.;Univ...
作者机构:
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期刊标题:
Journal of the Brazilian Chemical Society
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