Metal fractionation in sediments of the Sergipe River, northeast, Brazil

期刊论文
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...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Recent advances in 1,4-benzoquinone chemistry

期刊论文
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...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Crystal structure, supramolecular self-assembly and interaction with DNA of a mixed ligand manganese(II) complex

期刊论文
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...
作者机构:
期刊编号:
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

期刊论文
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, ...
作者机构:
期刊编号:
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)

期刊论文
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 ...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Alkaline reactivity of arsenical natrojarosite

期刊论文
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...
作者机构:
期刊编号:
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

期刊论文
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...
作者机构:
期刊编号:
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

期刊论文
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...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

XXIX Latin American Congress of Chemistry

期刊论文
摘要:
doi:
10.1590/S0103-50532011001200001
作 者:
De Andrade, Jailson ...
作者机构:
期刊编号:
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

期刊论文
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:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
在线客服 在线留言 小程序 公众号 4001789689 <<显示