Volatile compounds profile and flavor analysis of yerba mate (Ilex paraguariensis) beverages

期刊论文
摘要:
Volatile compounds from green and roasted yerba mate were analyzed by gas chromatography/mass spectr...
doi:
10.1590/S0100-40422007000300002
作 者:
Universidade de São ...
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Química Nova

Ellingham and Van't Hoff diagrams: some considerations

期刊论文
摘要:
The main subject of this article is to show the parallelism betwen the Ellingham and Van't Hoff diag...
doi:
10.1590/S0100-40422007000200047
作 者:
Chagas, Aécio Pereir...
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期刊标题:
Química Nova

Deviations from log-linear solubility equation for ibuprofen and naproxen in propylene glycol-water cosolvent mixtures

期刊论文
摘要:
The deviations observed in the solubility of ibuprofen (IBP) and naproxen (NAP) in propylene glycol ...
doi:
10.1590/S0100-40422007000800028
作 者:
Universidad Nacional...
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期刊标题:
Química Nova

Evaluation of the photo-fenton reaction in the decomposition of tick residues

期刊论文
摘要:
Experimental procedures based on factorial design and surface response methodology were applied to e...
doi:
10.1590/S0100-40422007000200004
作 者:
Ferreira, Antônio Gi...
作者机构:
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期刊标题:
Química Nova

Quantification of dextrans in sugars and in brazilian sugar-cane spirits

期刊论文
摘要:
Solid dextrans are thermally stable polysaccharides losing water only at 160脗潞C. According to IR, X-...
doi:
10.1590/S0100-40422007000500012
作 者:
Rodrigues-Filho, Ubi...
作者机构:
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期刊标题:
Química Nova

Development and validation of an analytical method for the determination of histamine in wines using high performance liquid chromatography with fluorescence detection

期刊论文
摘要:
A rapid and efficient method for the analysis of histamine in wines using HPLC with fluorescence det...
doi:
10.1590/S0100-40422007000100004
作 者:
Hecktheuer, Luisa H....
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期刊标题:
Química Nova

Lipase immobilization in sodium caseinate/glycerol film: application in ester synthesis

期刊论文
摘要:
Lipases from different sources were immobilized in sodium caseinate/glycerol film and used in the es...
doi:
10.1590/S0100-40422007000500025
作 者:
Moreira, Marcelo Alv...
作者机构:
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期刊标题:
Química Nova

Electroanalytical methodologies for the determination of triazine herbiacides by square wave voltammetry and deconvolution techniques

期刊论文
摘要:
This work describes the development of electroanalytical methodologies for the determination of atra...
doi:
10.1590/S0100-40422007000800039
作 者:
Avaca, Luis A.;Unive...
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期刊标题:
Química Nova

Influence of pH on the stability of alumina suspensions electrosterically stabilized

期刊论文
摘要:
In this work, aqueous suspensions of aluminas with different particle sizes were evaluated. The effe...
doi:
10.1590/S0100-40422007000100016
作 者:
Paskocimas, Carlos A...
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期刊标题:
Química Nova

The impact of the CNPq/NAS cooperative program on the developement of chemistry in Brazil

期刊论文
摘要:
Main features of the CNPq/NAS Cooperative Program in the field of Chemistry are described as well as...
doi:
10.1590/S0100-40422007000600004
作 者:
Senise, Paschoal;Uni...
作者机构:
期刊编号:
期刊标题:
Química Nova
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