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Fen-Edebiyat Fakültesi: Recent submissions
Now showing items 681-700 of 1561
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(ELSEVIER SCIENCE BV, 2009)In this study, the zinc plant purification cake (CINKUR Co., Turkey) was leached with sulphuric acid and main acidic leach solution containing Zn(II), Fe(II), Pb(II), AI(III), Cu(II), Co(II) and Ni(II) ions was obtained. ...
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(ELSEVIER SCI LTD, 2009)For the synthesis of bromo-conduritol-B skeleton, bromo-1,4-benzoquinone was subjected to bromination followed by the reduction of the carbonyl groups with NaBH4. Substitution of bromides bonded to sp(3)-hybridized carbon ...
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(PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2009)A preconcentration technique, which includes Amberlite IR-120 cation exchange resin, was applied for the determination of thallium traces in river water. Analysis of synthetic thallium solutions consistently yielded >95% ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 2009)A novel alcohol-soluble ionophore ligand and its non-peripherally tetrasubstituted functional 1,8,15,22-tetrakis(6-hydroxyhexylsulfanyl) metallophthalocyanines M[Pc(alpha-SC(6)H(12)OH)(4)] (M = Cu(II), Zn(II), Co(II); ...
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(ELSEVIER SCIENCE BV, 2009)The biosorption of Cu(II) from aqueous solutions by valonia tannin resin was investigated as a function of particle size, initial pH, contact time and initial metal ion concentration. The aim of this study was to understand ...
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(ELSEVIER SCI LTD, 2008)A new coumarin functionalized vic-dioxime, S,S-bis-[4-methylcoumarinyl]-dithioglyoxime (LH2), and its soluble mono- and dinuclear complexes [nickel(II), copper(II), cobalt(II), and uranyl(II)] have been reported. The ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 2009)In this study, we report a new ligand, 6-hexyloxy-3-[p-(3',4'-dicyanophenoxy)phenyl]coumarin, and its fluorescent tetrasubstituted phthalocyanines {M[Pc(OBzCou)(4)], M =2H, Zn(II), Co(II); Bz: Benzene}. The effect of the ...
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(ELSEVIER, 2008)Chromium compounds have received considerable attention because of used extensively in such industrial applications as electroplating, tanning of leather goods, steelmaking, and corrosion inhibition. In this work, selective ...
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(ELSEVIER SCIENCE BV, 2008)The extraction of chromium (VI) ions from acidic solutions containing various metal ions by emulsion liquid membrane (ELM) was studied. Liquid membrane consists of a diluent, a surfactant, and an extractant. 0.5 M ammonium ...
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(INDERSCIENCE ENTERPRISES LTD, 2008)The biosorption of lead onto mimosa tannin resin is studied using a batch sorber. The experimental isotherm data were analysed using the Langmuir, Freundlich and Temkin equations. The equilibrium data fit well in the ...
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(ELSEVIER SCIENCE SA, 2008)Electrical characteristics of the Al/p-type silicon/2,9,16,23-tetrakis-{6-(-thiophene-2-carboxylate)-hexylthio} phthalocyaninato cobalt(II) organic semiconductor contact have been investigated by current-voltage and ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 2008)The bromination reaction of 1,2,3,4-tetrahydroquinoline (7) was investigated by NBS and molecular bromine. One-pot synthesis is described for synthetically valuable 4,6,8-tribromoquinoline (3) and 6,8-dibromo-1,2,3,4-tet ...
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(ELSEVIER SCIENCE BV, 2008)The zinc plant purification cake (CINKUR Co., Turkiye) was leached with sulphuric acid. The transport of cadmium from this leach solution-containing zinc, iron, copper, aluminum, cadmium, nickel and cobalt through emulsion ...
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(AMER CHEMICAL SOC, 1999)
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(ELSEVIER SCIENCE BV, 2008)The adsorption of malachite green onto bentonite in a batch adsorber has been studied. The effects of contact time, initial pH and initial dye concentration on the malachite green adsorption by the bentonite have been ...
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(ELSEVIER SCIENCE SA, 2008)In this study, electron-withdrawing fluoro-functional ligand and its tetrakis 2,9,16,23-4-(2,3,5,6-tetrafluoro)-phenoxy-phthalocyaninatometal (II) complexes, (ZnPcOBzF(16), CuPcOBzF(16) and CoPcOBzF(16)) (Bz: benzene) which ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 2008)2(3),9(10),16(17),23(24)-Tetrakis-4'-[3,5-bis-(trifluoromethyl)-phenoxy]-phthalocyanines, {M[Pc-beta(OBz-(CF3)(2))(4)]}, (M = Zn(II), Cu(II), Co(II) and Ni(II)) were synthesized and characterized by elemental analysis, ...
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(PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2008)Four activated carbon samples were prepared from sugar beet molasses with zinc chloride as the chemical activating agent at different temperatures (600-800 degrees C) and residence carbonization times (0-120 min.) under ...
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(ELSEVIER SCIENCE SA, 2008)The adsorption of lead onto valonia tannin resin studied using a batch adsorber. The aim of this study was to understand the mechanisms that govern lead removal and find a suitable equilibrium isotherm and kinetic model ...
Now showing items 681-700 of 1561
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