Comparison of different pre-treatment procedures for the determination of chromium in crude oil samples by GF AAS
摘要：
In the present study three pre-treatment procedures were developed and compared following Cr determi...
doi：
10.1590/S0103-50532012005000004
作 者：
Castro, Eustáquio Vi...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Characterization of pyroligneous acid used in agriculture by gas chromatography-mass spectrometry
摘要：
In this study, two kinds of samples of pyrolysis liquid were analyzed, one produced at laboratory an...
doi：
10.1590/S0103-50532012000400005
作 者：
Universidade Federal...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Ab Initio correlated all electron Dirac-Fock calculations for eka-francium fluoride (E119F)
摘要：
Results obtained with correlated 4-component Dirac-Fock calculations for element E119 (eka-francium)...
doi：
10.1590/S0103-50532012000600015
作 者：
Universidade Estadua...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Trace metals in the urban aerosols of Rio de Janeiro city
摘要：
From January to April 2009, samples of suspended particles (TSP) and particulate matters (PM10 and P...
doi：
10.1590/S0103-50532012000400007
作 者：
Arbilla, Graciela;Qu...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Lycopodium alkaloids from Palhinhaea cernua
摘要：
Two new Lycopodium alkaloids, acetyllycoposerramine M and palcernine A were isolated from whole plan...
doi：
10.1590/S0103-50532012000200023
作 者：
Yunnan Agricultural ...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Caavuranamide, a novel steroidal alkaloid from the ripe fruits of Solanum caavurana Vell. (Solanaceae)
摘要：
Phytochemical investigation of the ripe fruits of Solanum caavurana Vell. (Solanaceae) afforded a no...
doi：
10.1590/S0103-50532012000200025
作 者：
Ruiz, Ana Lúcia T. G...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
A peroxotungstate-ionic liquid brush assembly: an efficient and reusable catalyst for selectively oxidizing sulfides with aqueous H2O2 solution in neat water
摘要：
An efficient and reusable heterogeneous catalytic assembly of peroxotungstate held in a ionic liquid...
doi：
10.1590/S0103-50532012005000012
作 者：
Shaanxi Normal Unive...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Synthesis and phytotoxicity of 4,5 functionalized tetrahydrofuran-2-ones
摘要：
B> In this work we report a versatile synthesis of fourteen 纬-lactones all structurally related, nin...
doi：
10.1590/S0103-50532012001200016
作 者：
Universidade Federal...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
G-Protein-Coupled Receptors: the 2012 Nobel Prize in Chemistry
摘要：
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doi：
10.1590/S0103-50532012001000001
作 者：
Andricopulo, Adriano...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Determination of Na, K, Mg and Ca in biodiesel by LS F AAS and HR-CS F AAS: studies that supported the proposal of the ABNT NBR 15556 norm
摘要：
Recently, ABNT (Brazilian Association of Technical Standards) has presented a set of norms related t...
doi：
10.1590/S0103-50532012000700026
作 者：
Vieira, Mariana A.;P...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
