Strategies for studying free-energy correlations of Suzuki aryl-aryl coupling: elucidating catalytic cycles by way of the Hammett equation

期刊论文
摘要:
The present work deals with the study of the correlation of free-energy developed in a catalytic sys...
doi:
10.1590/S0100-40422012000500034
作 者:
Universidade Federal...
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Química Nova

Development of a simple UV-spectrophotometric method for the determination of lansoprazole and study of its degradation profile

期刊论文
摘要:
A UV-spectrophotometric method is described for the determination of lansoprazole (LAN). The method ...
doi:
10.1590/S0100-40422012000200027
作 者:
Jagannathamurthy, Ra...
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Química Nova

35 anos de química na SBQ

期刊论文
摘要:
doi:
10.1590/S0100-40422012000700001
作 者:
Ferreira, Vitor F.
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Química Nova

Thermo-catalytic cracking of the mixture of used frying oil - textile stamping sludge for the production of oil with low acidity index

期刊论文
摘要:
In this work, cracking experiments were performed to carry out the thermal conversion of the mixture...
doi:
10.1590/S0100-40422012000400004
作 者:
Riva, Dilamara;Funda...
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Química Nova

High performance thin layer chromatographic determination of nifedipine in human serum after liquid-liquid extraction

期刊论文
摘要:
A method using HPTLC for quantitation of nifedipine in serum was developed and validated. It include...
doi:
10.1590/S0100-40422012000200032
作 者:
Diego, Marta de;Univ...
作者机构:
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期刊标题:
Química Nova

Estimation of measurement uncertainty: a case study of the migration test of ε-caprolactam with determination by GC-FID

期刊论文
摘要:
The estimation of measurement uncertainty of an analytical result is an important tool to be applied...
doi:
10.1590/S0100-40422012000800028
作 者:
Abrantes, Shirley de...
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Química Nova

Photoelectrodegradation of AO7 dye by ZnO-TiO2 nanocomposite films

期刊论文
摘要:
The Zn-TiO2nanocomposite films were prepared by electrodeposition, using an acidic zinc sulphate sol...
doi:
10.1590/S0100-40422012000100006
作 者:
Gomes, Anabela;Ciría...
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Química Nova

Ternary surface complex: coadsorption of Cu(II), Zn(II), Cd(II) and nitrilotris(methylenephosphonic) acid onto boehmite

期刊论文
摘要:
This work studies the effect of NTMP (nitrilotris(methylenephosphonic acid)) on the adsorption of Cu...
doi:
10.1590/S0100-40422012000300012
作 者:
Rueda, Elsa H.;Unive...
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Química Nova

Sinterability of powders of parent glassceramic belonging to the lzsa system treated by ion exchange

期刊论文
摘要:
Ion exchange method was employed by means of surface modification of the glass powders of LZSA (Li2O...
doi:
10.1590/S0100-40422012000400006
作 者:
Universidade do Extr...
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Química Nova

Naphthenic acids in petroleum

期刊论文
摘要:
Brazilian petroleum is known by its high acidity due to the presence of acidic constituents, especia...
doi:
10.1590/S0100-40422012000700025
作 者:
Geller, Ana Maria;Da...
作者机构:
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期刊标题:
Química Nova
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