Polar phenolic constituents from Schinus terebinthifolius Raddi (Anacardiaceae)

期刊论文
摘要:
The EtOH extract from the leaves of Schinus terebinthifolius showed anti-radicalar potential in the ...
doi:
10.1590/S0100-40422007000300018
作 者:
Universidade Presbit...
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Química Nova

Degradation of Padron® by photochemical processes using artificial and sunlight radiation

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摘要:
Destruction of Padron庐 (dye and picloram) was evaluated using a photoreactor and a solar reactor. Ph...
doi:
10.1590/S0100-40422007000800007
作 者:
Teixeira, Silvio Cés...
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Química Nova

Synthesis of the iron(II)-nitrogen complex: concepts of reactivity and back-bonding for undergraduate chemistry students

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摘要:
There has been a considerable interest in coordination complexes of molecular nitrogen (N2), partly ...
doi:
10.1590/S0100-40422007000300037
作 者:
Gushikem, Yoshitaka;...
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Química Nova

Identification of the influence of sludge discharges from water treatment plants

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摘要:
The growing concern of environmental surveillance of the quality of hydric resources guides the deve...
doi:
10.1590/S0100-40422007000400020
作 者:
Rocha, Solange Marto...
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Química Nova

Application of artificial and solar UV radiation in the photocatalytic treatment of a tannery effluent

期刊论文
摘要:
Tannery effluents are very dangerous for the environment since they contain large amounts of dangero...
doi:
10.1590/S0100-40422007000500006
作 者:
Sousa, José Tavares ...
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Química Nova

From Svante Arrhenius to the digital ph meter: a century of acidity measurement

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摘要:
This work describes the establishment of the concept of pH and the evolution of its measurement. The...
doi:
10.1590/S0100-40422007000100038
作 者:
Gama, Michelle da Si...
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Química Nova

Acid/base and complexation properties of humic and fulvic acids isolated from vermicompost

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摘要:
Proton binding properties of humic and fulvic acids were studied by potentiometric titration. Carbox...
doi:
10.1590/S0100-40422007000500039
作 者:
Universidade de São ...
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Química Nova

Optimization of the electrolytic bath for electrodeposition of corrosion resistant Fe-W-B alloys

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摘要:
A study on optimization of bath parameters for electrodeposition of Fe-W-B alloys from plating baths...
doi:
10.1590/S0100-40422007000200023
作 者:
Prasad, Shiva;Santan...
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Química Nova

Publications in the area of catalysis involving Brazilian institutions: a comparison between specialyzed and SBQ journals

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摘要:
In this article it is made a preliminary analysis of the number and impact of Brazilian publications...
doi:
10.1590/S0100-40422007000600017
作 者:
Lago, Rochel Montero...
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Química Nova

TitGer: an electronic worksheet for simulating the titration of a mixture of polyprotic species

期刊论文
摘要:
The aim of this paper is to present a simple way of treating the general equation for acid-base titr...
doi:
10.1590/S0100-40422007000100036
作 者:
Tenan, Mário A.;Silv...
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期刊标题:
Química Nova
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