Recovering procedures for liquid and solid Ag residues
摘要:
A simple procedure for recovering Ag, generated as residual solutions, from three different analytic...
doi:
10.1590/S0100-40422003000400023
作 者:
Bendassolli, José Al...
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Química Nova
Quantitation of linalol in the essential oil of Aniba duckei Korstermans using a new POLYH4-MD capillary column in Gas Chromatography
摘要:
In the present work a polyurethane polymer derived from castor oil was used as stationary phase for ...
doi:
10.1590/S0100-40422003000400002
作 者:
Galhiane, Mário Sérg...
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Química Nova
Methodologies of synthesis of 2-arylcyclohexanones
摘要:
Several methodologies concerning the preparation of 2-aryl and 2-heteroarylcyclohexanones are presen...
doi:
10.1590/S0100-40422003000200014
作 者:
Universidade Estácio...
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Química Nova
Chemical composition and biological activities of the leaves of Cynara scolymus L. (artichoke) cultivated in Brazil
摘要:
The present paper describes the chemical composition and biological activities of artichoke cultivat...
doi:
10.1590/S0100-40422003000300008
作 者:
Cechinel Filho, Vald...
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Química Nova
Phytochemical study and evaluation of the molluscicidal activity of Kielmeyera variabilis Mart. (Clusiaceae)
摘要:
Methanol extract obtained from Kielmeyera variabilis stems showed significant molluscicidal activity...
doi:
10.1590/S0100-40422003000200002
作 者:
Vidotti, Gentil J.;F...
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Química Nova
Laboratory waste management: recovery of elements and final disposal
摘要:
This work shows some laboratory waste management developed in order to recover some elements or to p...
doi:
10.1590/S0100-40422003000400027
作 者:
Freidinger, Nicolas;...
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Química Nova
Pre-concentration of nitrosamines from aqueous samples by SPE and MEKC
摘要:
This paper describes the development of a methodology for solid phase extraction (SPE) and pre-conce...
doi:
10.1590/S0100-40422003000200009
作 者:
Zanin, Kelen Daiane;...
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Química Nova
Evaluating trace element contamination in mariculture activities: partial results of a case study carried out in the coastal region of Santa Catarina, Brazil
摘要:
Adopting the perspective of human health risk assessment, an interdisciplinary research group has be...
doi:
10.1590/S0100-40422003000100010
作 者:
Vieira, Paulo H. F.;...
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Química Nova
Silica gel recycling using and advanced oxidative process: a simple and low-cost alternative
摘要:
Silica gel is widely used as adsorbent for isolating and purifying natural compounds. Intensive use ...
doi:
10.1590/S0100-40422003000600025
作 者:
Teixeira, Silvio Cés...
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Química Nova
Inorganic-organic hybrids derived from the reaction of phyllosilicates with organosilanes
摘要:
Silylation reactions involving hydroxylated surfaces are an important route for synthesis of new mat...
doi:
10.1590/S0100-40422003000500014
作 者:
Universidade Federal...
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Química Nova