Güncel Gönderiler: Meslek Yüksekokulları
Toplam kayıt 612, listelenen: 401-420
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An Application of Carrier Element Free Coprecipitation (CEFC) Method for Determination of Co(II), Cu(II) and Ni(II) Ions in Some Food and Water Samples
(Acta Chimica Slovenica, 2013)A simple and highly sensitive separation and preconcentration procedure, which has minimal impact on the environment, has been developed. The procedure is based on the carrier element free coprecipitation (CEFC) of Co(II), ... -
Removal of phenol from aqueous solution by adsorption onto organomodified Tirebolu Bentonite: Equilibrium, kinetic and thermodynamic study
(Journal of Hazardous Materials, 2009)A natural bentonite modified with a cationic surfactant, cetyl trimethylammonium bromide (CTAB), was used as an adsorbent for removal of phenol from aqueous solutions. The natural and modified bentonites (organobentonite) ... -
Acetohydrazide Derivative for Selective Separation and Preconcentration of Cu(II) Ions by Coprecipitation Method Without Using a Carrier Element
(Taylor & Francis Inc, 2012)A simple and rapid procedure based on the combination of carrier element free coprecipitation (CEFC) and flame atomic absorption spectrometric (FAAS) determinations has been developed for selective separation and ... -
Tea-industry waste activated carbon, as a novel adsorbent, for separation, preconcentration and speciation of chromium
(Analytica Chimica Acta, 2011)Activated carbon was produced from tea-industry wastes (TIWAC) and employed as a low cost and effective solid phase material for the separation, preconcentration and speciation of chromium species without using a complexing ... -
SOLID PHASE EXTRACTION OF Cd(II) AND Pb(II) IONS BY A NEW CARBOTHIOAMIDE DERIVATIVE
(Soc Chilena Quimica, 2013)An effective, simple, low cost and accurate sorption-spectrophotometric platform for the extractions and subsequent quantifications of Cd(II) and Pb(II) ions in food and environmental samples has been described in this ... -
Biosorption of Rhodamine 6G from aqueous solutions onto almond shell (Prunus dulcis) as a low cost biosorbent
(Desalination, 2010)This work presents an alternative methodology for removal of a dyestuff, Rhodamine 6G (R6G), from aqueous solutions by using a new biosorbent, almond shell (Prunus dulcis), in a batch biosorption technique. The characterization ... -
Separation and preconcentration of lead, chromium and copper by using with the combination coprecipitation-flame atomic absorption spectrometric determination
(Elsevier Science Inc, 2014)A coprecipitation method was developed for the quantitative separation and preconcentration of Pb(II), Cr(III) and Cu(II) ions. Analytes were coprecipitated using a triazole derivative (2-{4-[2-(1H-indol-3-yl)ethyl]-3-(4 ... -
Preconcentration, separation and spectrophotometric determination of aluminium(III) in water samples and dialysis concentrates at trace levels with 8-hydroxyquinoline–cobalt(II) coprecipitation system
(Journal of Hazardous Materials, 2010)A separation-preconcentration procedure was developed for the determination of trace amounts of aluminium in water samples and dialysis concentrates by UV-vis Spectrophotometry after coprecipitation using 8-hydroxyquinoline ... -
Cloud-Point Extraction of Rhodamine 6G by Using Triton X-100 as the Non-Ionic Surfactant
(Journal of AOAC International, 2011)Cloud-point extraction (CPE) using the non-ionic surfactant Triton X-100 was used successfully to remove a highly toxic dye, rhodamine 6G (R6G), from water and wastewater. The effects of different analytical parameters ... -
ASSESSMENT OF KINETICS, THERMODYNAMICS AND EQUILIBRIUM PARAMETERS OF CR(VI) BIOSORPTION ONTO Pinus brutia TEN
(Wiley, 2014)The aim of the present study was to investigate the sorption potential of pine bark (Pinus brutia Ten.) for removal of Cr(VI) ions from aqueous solutions. The biosorption characteristics of Cr(VI) ions onto bark biomass ... -
Biosorption of Pb(II) ions from aqueous solution by pine bark (Pinus Brutia Ten.)
(Chemical Engineering Journal, 2009)The biosorption potential of pine (Pinus brutia Ten.) bark in a batch system for the removal of Pb(II) ions from aqueous solutions was investigated. The biosorption characteristics of Pb(II) ions on the pine bark was ... -
Removal of Pb(II) ions from aqueous solution by a waste mud from copper mine industry: Equilibrium, kinetic and thermodynamic study
(Journal of Hazardous Materials, 2009)The objective of this study was to assess the adsorption potential of a waste mud (WM) for the removal of lead (Pb(II)) ions from aqueous solutions. The WM was activated with NaOH in order to increase its adsorption capacity. ... -
Selective Separation, Preconcentration and Determination of Au(III) ions in Environmental Samples by Coprecipitation with a 1,2,4- Triazole Derivative
(Atomic Spectroscopy, 2013)An effective, simple, lowcost, and accurate separation and preconcentration procedure which has minimal impact on the environment has been developed. It is based on the carrier element-free coprecipitation (CEFC) of ... -
Carrier element-free coprecipitation with 3-phenly-4-o-hydroxybenzylidenamino-4,5-dihydro-1,2,4-triazole-5-one for separation/preconcentration of Cr(III), Fe(III), Pb(II) and Zn(II) from aqueous solutions
(Journal of Hazardous Materials, 2009)A separation/preconcentration procedure, based on the coprecipitation of Cr3+, Fe3+, Pb2+ and Zn2+ ions using a new organic coprecipitant, 3-phenly-4-o-hydroxybenzylidenamino-4,5-dihydro-1,2,4-triazole-5-one (POHBAT) without ... -
Cadmium and nickel determinations in some food and water samples by the combination of carrier element-free coprecipitation and flame atomic absorption spectrometry
(Taylor & Francis Ltd, 2013)A procedure for separation and enrichment of Cd(II) and Ni(II) ions based upon carrier element-free coprecipitation by using an organic coprecipitant, 2-{4-[2-(1H-Indol-3-yl)ethyl]-3-(4-methylbenzyl)-5-oxo-4,5-dihydro-1H ... -
Simultaneous separation and preconcentration of Ni(II) and Cu(II) ions by coprecipitation without any carrier element in some food and water samples
(Wiley-Blackwell, 2014)A simple and highly sensitive separation and preconcentration procedure, which has minimal impact on the environment, has been developed. The procedure is based on the carrier element-free coprecipitation of Ni(II) and ... -
Development a new solid phase extraction procedure for selective separation and enrichment of Au(III) in some environmental samples
(Journal of the Brazilian Chemical Society, 2013)A highly sensitive, selective and low cost solid phase extraction (SPE) procedure was developed for separation and enrichment of Au(III) ions in environmental samples prior to its flame atomic absorption spectrometric ... -
Preconcentration of Cd(II) and Cu(II) ions by coprecipitation without any carrier element in some food and water samples
(Elsevier Science Bv, 2011)A simple, rapid, sensitive and environmentally friendly separation and preconcentration procedure, based on the carrier element free coprecipitation (CEFC) of Cu(II) and Cd(II) ions by using an organic coprecipitant, ... -
Assessment of mineral elements and heavy metal contents of walnut samples (Juglans regia L.) from Gumushane
(Advances in Food Sciences, 2014)The aim of the present study was to evaluate the levels of essential and non-essential elements of different walnut samples (Juglans regia L.) collected near and away from highway area in Gumushane, Turkey. The mean amounts ... -
Selective separation and preconcentration of copper in environmental samples onto Amberlite XAD-8 in a packed-bed column after complexation with a carbothioamide derivative
(Química Nova, 2013)A new solid phase extraction (SPE) method has been developed for the selective separation and preconcentration of Cu (II) ions in food and water samples prior to its flame atomic absorption spectrometry determination. The ...
