Adsorption and electrooxidation of ethylene on Au surfaces

期刊论文
摘要:
The electrochemical behavior of ethylene electrooxidation on preferentially oriented Au surfaces is ...
doi:
10.1590/S0103-50531997000200003
作 者:
Zinola, C.F.;Faculta...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Models of the electroreduction of passive layers on cobalt

期刊论文
摘要:
Potentiostatic current transient techniques were employed to study the electroreduction process of s...
doi:
10.1590/S0103-50531997000200015
作 者:
Universidad Nacional...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Stable sulfur isotope fractionation by anion exchange chromatography: production of compounds enriched in 34S

期刊论文
摘要:
The separation of the 34S isotope was carried out by isotopic exchange between sulfurous acid in sol...
doi:
10.1590/S0103-50531997000100004
作 者:
Universidade Metodis...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Chemical composition of the dufour gland secretion in queens of Melipona bicolor (Hymenoptera, Meliponini)

期刊论文
摘要:
We describe differences in the chemical composition of the Dufour gland secretion of virgin and phys...
doi:
10.1590/S0103-50532004000500002
作 者:
Jones, Graeme R.;Mor...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Determination of cadmium by flame-atomic absorption spectrometry after preconcentration on silica gel modified with cupferron

期刊论文
摘要:
A method for the determination of cadmium by flame atomic absorption spectrometry (FAAS) after its p...
doi:
10.1590/S0103-50532004000200024
作 者:
Universidade Estadua...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Influence of the electrokinetic injection conditions on the separation of DNA fragments in capillary electrophoresis

期刊论文
摘要:
In genetic analysis by capillary electrophoresis with polymer solutions there are many variables tha...
doi:
10.1590/S0103-50532004000300012
作 者:
Catai, Jonatan Ricar...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Characterization of self-assembled thiols monolayers on gold surface by electrochemical impedance spectroscopy

期刊论文
摘要:
Thiols with different alkyl chain length and containing COOH terminal group were self-assembled on g...
doi:
10.1590/S0103-50532004000600011
作 者:
Kubota, Lauro T.;Uni...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Development and validation of methodology for the determination of residues of organophosphorus pesticides in tomatoes

期刊论文
摘要:
The organophosphorus pesticides are frequently applied in tomato cultivation in Brazil. In the prese...
doi:
10.1590/S0103-50532004000600024
作 者:
Kurz, Márcia H. S.;U...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Oscillatory bromate-oxalic acid-Ce-acetone-sulfuric acid reaction, in CSTR

期刊论文
摘要:
Periodic oscillations were observed for the first time, in a CSTR, in the system bromate-oxalic acid...
doi:
10.1590/S0103-50532004000600028
作 者:
Faria, Roberto B.;Un...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

An easy and efficient method to produce gamma-amino alcohols by reduction of beta-enamino ketones

期刊论文
摘要:
Reduction of b-enamino ketones 2 with NaBH4 in glacial acetic acid gave g-amino alcohols 1 in 70% to...
doi:
10.1590/S0103-50532004000600027
作 者:
Universidade Estadua...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
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