Use of rice husk ash (RHA) obtained from thermal energy generation as Zn (II) adsorbent in aqueous solutions

期刊论文
摘要:
The removal study was conducted using 1.00 g of the rice husk ash (RHA) and 20.0 mL solution with co...
doi:
10.1590/S0100-40422009000600003
作 者:
Rodrigues, Esiana de...
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Química Nova

Vegetals as natural sources of antioxidants

期刊论文
摘要:
Growing knowledge on the health-promoting impact of antioxidants in everyday foods, combined with th...
doi:
10.1590/S0100-40422009000300013
作 者:
Valentim, Iara Barro...
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Química Nova

Contents of ethyl carbamate in sugar cane and manioc spirits: part II

期刊论文
摘要:
Herein, we report the concentration of ethyl carbamate (EC) and copper in 380 samples of sugar-cane ...
doi:
10.1590/S0100-40422009000100022
作 者:
Andrade Sobrinho, Lu...
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Química Nova

Adsorption study of the surfactant in inorganics matrices

期刊论文
摘要:
This work describes the study the adsorption of a cationic surfactant, cetyl trimethyl ammonium brom...
doi:
10.1590/S0100-40422009000100002
作 者:
Pereira, Paulo Henri...
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Química Nova

Development and validation of a GC-FID assay for determination of fluvastatin in pharmaceutical preparations

期刊论文
摘要:
A gas chromatographic method has been developed for the assay of fluvastatin sodium (FLU). FLU was s...
doi:
10.1590/S0100-40422009000900021
作 者:
Ersoy, Olcay Sagirli...
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期刊标题:
Química Nova

Characterization of sugar cane bagasse ash for use as pozzolan in cementitious materials

期刊论文
摘要:
This work presents the results of morphological and physical-chemical characteristics of a sugar can...
doi:
10.1590/S0100-40422009000100016
作 者:
Cordeiro, Guilherme ...
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Química Nova

Micro-Raman spectroscopy studies of the phase separation mechanisms of transition-metal phosphate glasses

期刊论文
摘要:
Glass-ceramics are prepared by controlled separation of crystal phases in glasses, leading to unifor...
doi:
10.1590/S0100-40422009000700045
作 者:
Gimenez, Iara de Fát...
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期刊标题:
Química Nova

The luso-brazilian chemist and naturalist Alexandre Antonio Vandelli

期刊论文
摘要:
Alexandre Vandelli was the heir of two illustrious scientific traditions in the Luso-Brazilian world...
doi:
10.1590/S0100-40422009000900046
作 者:
Marques, Adílio Jorg...
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Química Nova

Graduation in chemistry discussed in relation to graduate students' models concerning the phenomenon of dissolution

期刊论文
摘要:
Mental models play an important role in the evolution of an individual's so-called knowledge. Using ...
doi:
10.1590/S0100-40422009000100040
作 者:
Universidade Estadua...
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Química Nova

Near and mid infrared optical sensors

期刊论文
摘要:
Optical chemical sensors with detection in the near and mid infrared region are reviewed. Fundamenta...
doi:
10.1590/S0100-40422009000600047
作 者:
Silva, Andréa Montei...
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期刊标题:
Química Nova
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