Studies of electrochemical behavior of SWNT-film electrodes

期刊论文
摘要:
The principal focus of modern research in electrocatalysis of SWNT-coated working electrode is to di...
doi:
10.1590/S0103-50532007000600008
作 者:
Chonbuk National Uni...
作者机构:
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期刊标题:
Journal of the Brazilian Chemical Society

Determination of trace amounts of copper in river and sea water samples by flame atomic absorption spectrometry (FAAS) after cloud-point preconcentration

期刊论文
摘要:
A new preconcentration method was proposed using the cloud point approach for copper determination. ...
doi:
10.1590/S0103-50532007000700009
作 者:
Goudarzi, Nasser;Sha...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Voltammetric behavior of amfepramone (diethylpropion) at the hanging mercury drop electrode and its analytical determination in pharmaceutical formulations

期刊论文
摘要:
This paper describes a systematic study of the voltammetric behavior of amfepramone at the hanging m...
doi:
10.1590/S0103-50532007000400018
作 者:
Nascimento, Paulo C....
作者机构:
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期刊标题:
Journal of the Brazilian Chemical Society

Reaction of aromatic carboxylic acids with isocyanates using ionic liquids as novel and efficient media

期刊论文
摘要:
Ionic liquids (ILs) based on 1,3-dialkylimidazolium and ammonium have been used as an efficient reac...
doi:
10.1590/S0103-50532007000600017
作 者:
Yousefian, Hamed;Isf...
作者机构:
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期刊标题:
Journal of the Brazilian Chemical Society

Oxidation of cashew tree gum exudate polysaccharide with TEMPO reagent

期刊论文
摘要:
Cashew gum (CG), an exudate polysaccharide from Anacardium ocidentale trees, was oxidized with TEMPO...
doi:
10.1590/S0103-50532007000100009
作 者:
Cunha, Pablyana L. R...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Kinetics and mechanism of hydrolysis of benzimidazolylcarbamates

期刊论文
摘要:
Synthesis of new 2-aminobenzimidazole-1-carbamates was accomplished by carbamoylation of 2-aminobenz...
doi:
10.1590/S0103-50532007000100019
作 者:
Universidade de Lisb...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Potentiometric coated wire electrode for salicylate based on zinc(II) acetylacetonate

期刊论文
摘要:
A coated-wire ion selective electrode based on zinc(II) acetylacetonate as ionophore exhibited linea...
doi:
10.1590/S0103-50532007000400017
作 者:
Pourhakkak, P.;Yazd ...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Chemical equilibrium in the complexation of first transition series divalent cations Cu2+, Mn2+ and Zn2+ with chitosan

期刊论文
摘要:
This study provided the data for calculating the stability constants formed in the aqueous HCl equil...
doi:
10.1590/S0103-50532007000700015
作 者:
Universidad de Orien...
作者机构:
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期刊标题:
Journal of the Brazilian Chemical Society

Manganese determination by GFAAS in feces and fish feed slurries

期刊论文
摘要:
This paper presents a simple, fast and sensitive method to determine manganese in samples of feces a...
doi:
10.1590/S0103-50532007000600019
作 者:
Moraes, Paula M.;Lou...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Flow-Injection spectrophotometric system for captopril determination in pharmaceuticals

期刊论文
摘要:
A simple, accurate and precise flow-injection spectrophotometric procedure is reported for the deter...
doi:
10.1590/S0103-50532007000600016
作 者:
Universidade Federal...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
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