Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Vanessa Cristina Gonçalves dos Santos"'
Autor:
Vanessa Cristina Gonçalves Dos Santos, Antonio de Pádua Andrade Salvado, Douglas Cardoso Dragunski, Débora Nobile Clausen Peraro, César Ricardo Teixeira Tarley, Josiane Caetano
Publikováno v:
Química Nova, Vol 35, Iss 8, Pp 1606-1611 (2012)
The present paper focuses on improving chromium (III) uptake capacity of sugarcane bagasse through its chemical modification with citric acid and/or sodium hydroxide. The chemical modifications were confirmed by infrared spectroscopy, with an evident
Externí odkaz:
https://doaj.org/article/1f6f6dc28dac40e4a4bb1c1a4eab5f6d
Autor:
Caio Augusto de Toledo Gomes, Karina Lunelli, Luciano André Deitos Koslowski, Vanessa Cristina Gonçalves dos Santos, Douglas C. Dragunski
Publikováno v:
Revista Virtual de Química. 11:1289-1301
This work describes the preparation of sugarcane bagasse chemically modified with citric acid and evaluated adsorption of Cu(II), Cr(III) and Pb(II) ions from aqueous solutions by sugarcane bagasse in natura and chemically modified. Adsorption analys
Autor:
César Castro Martins, Marina Reback Domingues Garcia, Vanessa Cristina Gonçalves dos Santos, Ana Caroline Cabral, Marines Maria Wilhelm, Sérgio Antônio Netto, Ana Lúcia Lindroth Dauner, Fernanda Caroline Borato Xavier
Publikováno v:
Chemosphere. 251:126435
Sedimentary sterols and linear alkylbenzenes associated with allochthonous organic matter (AOM) inputs were studied in surface sediments along the Tubarão riverbed, South Brazil. These markers were analysed in terms of concentrations, diagnostic rat
Publikováno v:
Analytical Letters. 48:2921-2935
Speciation of Sb(III) and Sb(V) was investigated using hydride generation with the selective formation of stibine from Sb(III). A continuous flow system using a homemade gas-liquid separator with inductively coupled plasma optical emission spectromet
Publikováno v:
Geoderma. :129-136
This paper describes a treatment of the mineral montmorillonite (MMT) with sodium (MMT-Na), potassium (MMT-K) and calcium (MMT-Ca), aiming the removal of the highly toxic Hg(II) from aqueous medium. An apparent equilibrium near 10 h of contact time w
Autor:
Rafael Jörg Bieberbach De Presbiteris, Rosane Martinazzo, Iara Messerschmidt, Marco Grassi, Gilberto Abate, Betânia Fraga Pereira, Vanessa Cristina Gonçalves dos Santos, Jeniffer Vanelle dos Santos
Publikováno v:
Química Nova v.40 n.5 2017
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Vol 40, Iss 5, Pp 496-505
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Vol 40, Iss 5, Pp 496-505
Soils that had received successive applications of retorted oil shale (ROS) in an experiment under field conditions were used in this study, aiming to evaluate the availability of trace elements. In the batch tests, we observed that toxic elements pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ee2cf7bbf798735a08474158a7790a4
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422017000500496
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422017000500496
Autor:
César Ricardo Teixeira Tarley, Vanessa Cristina Gonçalves dos Santos, Débora Nobile Clausen Peraro, Douglas C. Dragunski, Antonio de Pádua Andrade Salvado, Josiane Caetano
Publikováno v:
Química Nova v.35 n.8 2012
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Vol 35, Iss 8, Pp 1606-1611 (2012)
Química Nova, Volume: 35, Issue: 8, Pages: 1606-1611, Published: 2012
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Vol 35, Iss 8, Pp 1606-1611 (2012)
Química Nova, Volume: 35, Issue: 8, Pages: 1606-1611, Published: 2012
The present paper focuses on improving chromium (III) uptake capacity of sugarcane bagasse through its chemical modification with citric acid and/or sodium hydroxide. The chemical modifications were confirmed by infrared spectroscopy, with an evident
Autor:
Josiane Caetano, João Valdir Tadioto Miranda de Souza, Vanessa Cristina Gonçalves dos Santos, Douglas C. Dragunski, César Ricardo Teixeira Tarley
Publikováno v:
Water, Air, & Soil Pollution. 216:351-359
This study evaluated the copper ion adsorption capacity of sugarcane bagasse in natura and chemically modified with citric acid and sodium hydroxide. Adsorption analyses in batch system were carried out in function of contact time with the adsorbent
Autor:
Patricio Peralta-Zamora, Marco Grassi, Gilberto Abate, Vanessa Cristina Gonçalves dos Santos, Mônica Soares de Campos
Publikováno v:
The Analyst. 137:4458
In this work a procedure for mercury determination by Flow Injection-Cold Vapor Generation-Inductively Coupled Plasma Optical Emission Spectrometry (FI-CVG-ICP OES) has been developed. The system uses a small homemade glass separator constructed to d