Applications of nanoelectrodes as sensors in Analytical Chemistry

期刊论文
摘要:
Nanomaterials make up an emerging area in Chemistry and in the science of materials. This area const...
doi:
10.1590/S0100-40422006000500027
作 者:
Ugo, Paolo;Universid...
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Química Nova

Antimicrobial and allelopathic potential of the amides isolated from the roots of Ottonia martiana miq., piperaceae

期刊论文
摘要:
Two amides, piperovatine and isopiperlonguminine, were isolated from the roots of Ottonia martiana M...
doi:
10.1590/S0100-40422006000400021
作 者:
Dias, Josiane G.;Uni...
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Química Nova

Electrochemical study of a novel cyanide free galvanic plating solution of alkaline zinc

期刊论文
摘要:
A systematic electrochemical study of a novel cyanide free galvanic plating solution of alkaline zin...
doi:
10.1590/S0100-40422006000100004
作 者:
Freire, Nacélio S.;L...
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Química Nova

Kinetic and physico-chemical characterization of cashew (Anacardium occidentale L.) wine

期刊论文
摘要:
The production of cashew apple wine has the purpose of minimizing the wastage in the Brazilian cashe...
doi:
10.1590/S0100-40422006000300015
作 者:
Torres Neto, Alberto...
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Química Nova

The pKa of acid-base indicators and the influence of colloidal systems

期刊论文
摘要:
An experiment is proposed that can be included in undergraduate courses of chemistry. The subject is...
doi:
10.1590/S0100-40422006000300032
作 者:
Previdello, Bruno Al...
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Química Nova

Solid phase extraction of iron and lead in environmental matrices on amberlite xad-1180/pv

期刊论文
摘要:
A solid phase extraction procedure using Amberlite XAD-1180/Pyrocatechol violet (PV) chelating resin...
doi:
10.1590/S0100-40422006000200005
作 者:
Narin, Ibrahim;Soyla...
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Química Nova

Justus Von Liebig, 1803-1873. Part one: life,personality, thinking

期刊论文
摘要:
This first of two papers allusive to the 200th birthday of Justus von Liebig (1803-1873) deals with ...
doi:
10.1590/S0100-40422006000500039
作 者:
Universidade Federal...
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Química Nova

Study of effects of silicon and phosphorus in reducing the availability of heavy metals in mining area

期刊论文
摘要:
This study was developed with a soil contaminated by heavy metals, with the purpose of evaluating th...
doi:
10.1590/S0100-40422006000100007
作 者:
Guerreiro, Mário Cés...
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Química Nova

Using journal articles in a Physical Chemistry course

期刊论文
摘要:
This paper describes the use of primary chemistry literature in a fifth-semester physical chemistry ...
doi:
10.1590/S0100-40422006000500038
作 者:
Santos, Gelson Ribei...
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Química Nova

HPLC analysis of nicotinic acid, trigonelline, chlorogenic acid and caffeine in roasted coffee

期刊论文
摘要:
A reverse phase liquid chromatography method was developed for simultaneous determination of trigone...
doi:
10.1590/S0100-40422006000600003
作 者:
Dias, Rafael Carlos ...
作者机构:
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期刊标题:
Química Nova
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