Application of cloud point preconcentration and flame atomic absorption spectrometry for the determination of cadmium and zinc ions in urine, blood serum and water samples
摘要：
A simple, sensitive and selective cloud point extraction procedure is described for the preconcentra...
doi：
10.1590/S0100-40422013000300004
作 者：
Joybar, Somayeh;Isla...
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Química Nova
Asymmetric catalysis in Brazil: development and potential for advancement of Brazilian chemical industry
摘要：
The preparation of enantiomerically pure or enriched substances is of fundamental importance to phar...
doi：
10.1590/S0100-40422013001000017
作 者：
Andrade, Leandro Hel...
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Química Nova
Influence of method of preparation of PtRu/C electrocatalysts on the catalytic activity for the ethanol oxidation reaction in acidic medium
摘要：
In this work the influence of variations in the borohydrate reduction method on the properties of Pt...
doi：
10.1590/S0100-40422013000400004
作 者：
Silva, Uriel Lean Va...
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Química Nova
Chemical synthesis, characterization studies and reactivity of a catalytic material based on ZrO2-H3PW12O40
摘要：
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doi：
10.1590/S0100-40422013000700003
作 者：
García Serrano, Luz ...
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Química Nova
Increase of the content of humic acids in a low rank coal by oxidation with air and with hydrogen peroxide or nitric acid
摘要：
Low-rank coals are an important source of humic acids, which are important in retention processes of...
doi：
10.1590/S0100-40422013000300007
作 者：
Meza-Fuentes, Edgard...
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Química Nova
Biosurfactants: anticorrosive, antibiofilm and antimicrobial properties
摘要：
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doi：
10.1590/S0100-40422013000600019
作 者：
Universidade Federal...
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Química Nova
Multivariate classification of medicinal herbs from the Amazon Region and their infusions according to their mineral composition
摘要：
In this study, the mineral composition of leaves and teas of medicinal plants was evaluated. Ca, Cu,...
doi：
10.1590/S0100-40422013000200010
作 者：
Fernandes, Kelly G.;...
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Química Nova
Validation of quantitative ¹H NMR method for the analysis of pharmaceutical formulations
摘要：
The need for effective and reliable quality control in products from pharmaceutical industries rende...
doi：
10.1590/S0100-40422013000200020
作 者：
Embrapa Instrumentaç...
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Química Nova
Simultaneous and accurate determination of water- and fat-soluble vitamins in multivitamin tablets by using an RP-HPLC method
摘要：
In the present study, a reversed-phase high-performance liquid chromatographic (RP-HPLC) procedure w...
doi：
10.1590/S0100-40422013000700020
作 者：
Ayyildiz, H. Filiz;K...
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Química Nova
Time-series forecasting of pollutant concentration levels using particle swarm optimization and artificial neural networks
摘要：
This study evaluates the application of an intelligent hybrid system for time-series forecasting of ...
doi：
10.1590/S0100-40422013000600007
作 者：
Mattos Neto, Paulo S...
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期刊标题：
Química Nova
