Synthesis 12-Aryl or 12-Alkyl-8,9,10,12-tetrahydrobenzo[a]xanthen-11-one derivatives catalyzed by dodecatungstophosphoric acid
摘要：
An efficient protocol for the synthesis of 12-aryl or 12-alkyl-8,9,10,12-tetrahydro-benzo[a]xanthen-...
doi：
10.1590/S0103-50532009001000025
作 者：
Ren, Xiao-Qian;Wang,...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Turbidimetric determination of sulfate in rainwater employing a LED based photometer and multicommuted flow analysis system with in-line preconcentration
摘要：
In the present work, an automatic procedure for turbidimetric determination of sulfate in rainwater,...
doi：
10.1590/S0103-50532011000600002
作 者：
Zárate, Néstor;Pérez...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Interaction of anionic azo dye and TTAB: cationic surfactant
摘要：
Interaction between three anionic azo dyes, C.I. Acid Red 14 (AR14), C.I. Acid Red 1 (AR1), C.I. Aci...
doi：
10.1590/S0103-50532009000300008
作 者：
Ghoreishi, Sayed Meh...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Microwave irradiation or low temperature improved synthesis of antiparasitic Morita-Baylis-Hillman adducts
摘要：
It is reported the synthesis of 24 Morita-Baylis-Hillman adducts (3a-3l/6a-6l) using microwave irrad...
doi：
10.1590/S0103-50532011001100028
作 者：
Subrinho, Fernanda L...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Copper adsorption as a function of solution parameters of variable charge soils
摘要：
Effects of pH and ionic strength (I) on copper (Cu) adsorption and the driving force of the reaction...
doi：
10.1590/S0103-50532008000500027
作 者：
Casagrande, José C.;...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Studies on the stability of anodic oxides on zirconium biocompatible alloys
摘要：
Elements such as Zr, Ti and Nb, which belong to a group known as valve metals, usually have their su...
doi：
10.1590/S0103-50532002000400009
作 者：
Universidade Federal...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Guanabara bay sedimentation rates based on 210Pb dating: reviewing the existing data and adding new data
摘要：
Three sediment cores were taken from Guanabara Bay. Two of them yielded 210Pb profiles that could be...
doi：
10.1590/S0103-50532012000700010
作 者：
Instituto de Radiopr...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Biotransformation of chalcones by the endophytic fungus Aspergillus flavus isolated from Paspalum maritimum trin
摘要：
The fungus Aspergillus flavus isolated as endophytic of the plant Paspalum maritimum Trin. was evalu...
doi：
10.1590/S0103-50532011000700019
作 者：
Borges, Fábio C;Sant...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
Theoretical EPR study of Nitroindazoles: 3-alkoxy, 3-hydroxy and 3-oxo derivatives
摘要：
A DFT study on 5-NI derivatives was carried out at different levels of theory, in order to seek for ...
doi：
10.1590/S0103-50532010001000020
作 者：
Rodríguez-Becerra, J...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
A New Fluorescence Method for Determination of Ammonium Nitrogen in Aquatic Environment Using Derivatization with Benzyl Chloride
摘要：
We introduce a novel approach in simple and highly sensitive fluorometric determination of ammonium ...
doi：
10.5935/0103-5053.20150351
作 者：
Jiangsu Academy of E...
作者机构：
期刊编号：
期刊标题：
Journal of the Brazilian Chemical Society
