A new gas chromatography/mass spectrometry (GC-MS) method for the multiresidue analysis of pesticides in bread

期刊论文
摘要:
In this work a method for the determination of 15 pesticides in bread samples using gas chromatograp...
doi:
10.1590/S0103-50532010000600016
作 者:
Kolberg, Diana I.;Pr...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Online isotope dilution and inductively coupled plasma mass spectrometry: from elemental to species quantification

期刊论文
摘要:
Flow analysis has been utilized for elemental and species quantification by online isotope dilution ...
doi:
10.1590/S0103-50532010000400002
作 者:
Packer, Ana Paula;Un...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Spin-exchange effects in elastic electron scattering from linear triatomic radicals

期刊论文
摘要:
In this work, we present a theoretical investigation on spin-exchange effects in elastic electron co...
doi:
10.1590/S0103-50532010000200006
作 者:
Lee, M.-T.;Mazon, K....
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Unusual 1,6-diphenyl-1,3,5-hexatriene (DPH) spectrophotometric behavior in water/ethanol and water/DMSO mixtures

期刊论文
摘要:
The absorption spectra of DPH at fixed concentration do not change with water content in organic sol...
doi:
10.1590/S0103-50532010000800013
作 者:
Caetano, Wilker;Univ...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Electrochemical removal of CuII in the presence of humic acid

期刊论文
摘要:
The removal of CuII (10 mg L-1) complexed by commercial humic acid (100 mg L-1) was studied at diffe...
doi:
10.1590/S0103-50532010000400010
作 者:
Bertazzoli, Rodnei;G...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Transition metal oxide nanopowder and ionic liquid: an efficient system for the synthesis of diorganyl selenides, selenocysteine and derivatives

期刊论文
摘要:
We have developed an efficient method for the synthesis of diorganyl selenides and 尾-seleno amines u...
doi:
10.1590/S0103-50532010001100008
作 者:
Dornelles, Luciano;B...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Counter-Current chromatography separation of isatin derivatives using the sandmeyer methodology

期刊论文
摘要:
A rapid and efficient method, using high-speed counter-current chromatography (HSCCC) technique, was...
doi:
10.1590/S0103-50532010000400025
作 者:
Silva, Bárbara V.;Al...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Spectroscopic evidence of photodegradation by ultraviolet exposure of tris(8-hydroxyquinoline) aluminum (Alq3) thin films

期刊论文
摘要:
The extrinsic degradation of organic light emitting diodes (OLEDs) remains a critical issue especial...
doi:
10.1590/S0103-50532010001200026
作 者:
Cremona, M.;Universi...
作者机构:
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期刊标题:
Journal of the Brazilian Chemical Society

The coordination chemistry at gold nanoparticles

期刊论文
摘要:
In gold nanoparticles the surface metal atoms play a major role, determining their chemical and phys...
doi:
10.1590/S0103-50532010000700003
作 者:
Araki, Koiti;Zamario...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Synthesis and crystal structure of chalcogenide cluster compound

期刊论文
摘要:
Three new cluster compounds were synthesized from Hg(EPh)2 (E = Se, Te; Ph = phenyl) in organic solv...
doi:
10.1590/S0103-50532010000700010
作 者:
Lang, Ernesto S.;Vil...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
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