Thermal conductivity of gas by pulse injection techniques using specific thermal conductivity detector (TCD)

期刊论文
摘要:
This paper presents a procedure to determine the thermal conductivity of gases by pulse injection, u...
doi:
10.1590/S0103-50532004000600009
作 者:
Cataluña, Renato;Sil...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Principal component analysis of molecular geometries of Cis- and trans-C2H2X2 with X = F or Cl

期刊论文
摘要:
PC1 and PC2 score graphs show how calculated molecular geometries depend on characteristics of the m...
doi:
10.1590/S0103-50532004000100009
作 者:
Silva, João Bosco P....
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Steroids and flavonoids of Porcelia macrocarpa

期刊论文
摘要:
Three mixtures of steroids (1a+1b, 2a+2b and 3a+3b) and two flavonoid glycosides (4 and 5) were isol...
doi:
10.1590/S0103-50532004000400026
作 者:
Chaves, Mariana H.;A...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Encapsulation of vanadium complexes in inorganic or hybrid matrices via the sol-gel method: application to the epoxidation of allylic alcohols

期刊论文
摘要:
Vanadium complexes have been encapsulated in inorganic (based on hydrolysis/condensation of tetramet...
doi:
10.1590/S0103-50532004000400014
作 者:
Buffon, Regina;Unive...
作者机构:
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期刊标题:
Journal of the Brazilian Chemical Society

Determination of chloramphenicol in tablets by electrogenerated chemiluminescence

期刊论文
摘要:
Chloramphenicol was determinate by electrogenerated chemiluminescence coupled to FIA using Ru(bpy)32...
doi:
10.1590/S0103-50532004000200004
作 者:
Lindino, Cleber Anto...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

W+Rh as permanent chemical modifier in simultaneous atomic absorption spectrometry: interference studies on As, Cd, Pb and Se determination

期刊论文
摘要:
A systematic study of Na+, K+, Ca2+, Mg2+, Cl-, NO3-, SO42- and PO43- interference on the simultaneo...
doi:
10.1590/S0103-50532004000100013
作 者:
Oliveira, Elisabeth;...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Determination of lead in bone by electrothermal atomic absorption spectrometry with Zeeman effect background correction

期刊论文
摘要:
A simple method for measuring trace levels of Pb in bone by electrothermal atomic absorption spectro...
doi:
10.1590/S0103-50532004000400007
作 者:
Herms, Friedrich W.;...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Monte Carlo simulation of the adsorption of phenol on gold electrodes: a simple model

期刊论文
摘要:
Canonical Monte Carlo simulations, at 298 K, of the adsorption of phenol in a dilute aqueous solutio...
doi:
10.1590/S0103-50532004000200011
作 者:
University of Lisboa...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Studies on indium sorption from iodide medium by polyurethane foam

期刊论文
摘要:
The sorption behavior of indium iodide onto polyether-based polyurethane (PUF) foam was investigated...
doi:
10.1590/S0103-50532004000400019
作 者:
Ferreira, Elizabeth ...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society

Enantioselective analysis of omeprazole in pharmaceutical formulations by chiral high-performance liquid chromatography and capillary electrophoresis

期刊论文
摘要:
We developed two sensitive and simple assay procedures based on high- performance liquid chromatogra...
doi:
10.1590/S0103-50532004000200025
作 者:
Universidade de São ...
作者机构:
期刊编号:
期刊标题:
Journal of the Brazilian Chemical Society
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