Metal fractionation in sediments of the Sergipe River, northeast, Brazil
摘要:
The sequential extraction procedure proposed by the European Community Bureau of Reference (BCR) was...
doi:
10.1590/S0103-50532011000500004
作 者:
Universidade Federal...
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Journal of the Brazilian Chemical Society
Recent advances in 1,4-benzoquinone chemistry
摘要:
1,4-Benzoquinones are ubiquitous in nature and can be synthesized by diverse strategies. Recent deve...
doi:
10.1590/S0103-50532011000300002
作 者:
Abraham, Ignatious;P...
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Journal of the Brazilian Chemical Society
Crystal structure, supramolecular self-assembly and interaction with DNA of a mixed ligand manganese(II) complex
摘要:
A mixed ligand manganese(II) complex, [Mn(sal)(phen)2]ClO4 (1) (sal = salicylaldehyde, phen = 1,10-p...
doi:
10.1590/S0103-50532011000600013
作 者:
Dong, Feng-Ying;Liao...
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期刊标题:
Journal of the Brazilian Chemical Society
Pre-concentration of lithium prior to its determination in honey by flame optical emission spectrometry
摘要:
A procedure based on solid phase extraction with a strongly acidic cation-exchanger Dowex 50W脙鈥?-200...
doi:
10.1590/S0103-50532011000400010
作 者:
Pohl, Pawel;Stecka, ...
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期刊标题:
Journal of the Brazilian Chemical Society
Novel anthraquinone derivatives produced by Pestalotiopsis guepinii, an endophytic of the medicinal plant Virola michelii (Myristicaceae)
摘要:
A new anthraquinone derivative, named guepinone (1), along with the known substances isosulochrin (2...
doi:
10.1590/S0103-50532011000500025
作 者:
Arruda, Mara Silvia ...
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Journal of the Brazilian Chemical Society
Alkaline reactivity of arsenical natrojarosite
摘要:
Jarosites are compounds that can undergo substitutions with several elements of environmental import...
doi:
10.1590/S0103-50532011001200004
作 者:
Rivera, Isauro;Reyes...
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期刊标题:
Journal of the Brazilian Chemical Society
Principal component analysis of changes due to water stress for some osmolytes, pigments and antioxidant enzymes in Gmelina arborea Robx: leaves from trees planted in northern Colombia
摘要:
Gmelina arborea is a tree having great economic impact due to its advantages as a fast-growing timbe...
doi:
10.1590/S0103-50532011001200006
作 者:
Moreno-Chacón, Andre...
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期刊标题:
Journal of the Brazilian Chemical Society
Quantum mechanics/molecular mechanics investigation of the ethene polymerization mechanism catalyzed by a bulky diimine-Ni(II) complex
摘要:
In this work we describe a theoretical investigation of the ethene polymerization reaction catalyzed...
doi:
10.1590/S0103-50532011000300004
作 者:
Universidade Federal...
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期刊标题:
Journal of the Brazilian Chemical Society
XXIX Latin American Congress of Chemistry
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doi:
10.1590/S0103-50532011001200001
作 者:
De Andrade, Jailson ...
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期刊标题:
Journal of the Brazilian Chemical Society
Use of Fe3+ ion probe to study intensively weathered soils utilizing electron paramagnetic resonance and optical spectroscopy
摘要:
Electron paramagnetic resonance (EPR) spectroscopy and optical analyses of intensively weathered soi...
doi:
10.1590/S0103-50532011000900023
作 者:
Messerschmidt, I;Bal...
作者机构:
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期刊标题:
Journal of the Brazilian Chemical Society