Güncel Gönderiler: Fizik Bölümü
Toplam kayıt 1178, listelenen: 601-620
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SO2 adsorption on acid-treated bentonites from Turkey
(Mineralogical Soc, 2011)The adsorption of sulphur dioxide (SO2) on two bentonites from Unye, Turkey (Kavaktepe and Yemislitepe deposits - denoted below as BK and BY) and on forms treated with 1 and 2 M HCl solutions was investigated. The bentonite ... -
Thermal behavior and immersion heats of selected clays from Turkey
(Springer, 2009)Four clays (two bentonites and two kaolinites) from Turkey were investigated by X-ray diffraction (XRD), thermal analysis (DTA/TG-DSC) and surface area measurement techniques. Mineralogically bentonite samples were ... -
Spectroscopic and thermal studies of bentonites from Unye, Turkey
(Elsevier Science BV, 2010)Three bentonites from Turkey were investigated by X-ray diffraction (XRD), X-ray fluorescence (XRF), differential thermal analysis (DTA), thermogravimetric analysis (TG), Fourier transform infrared (FT-IR), magic angle ... -
Effect of salt modification on thermal behavior, immersion heats and methane adsorption properties of chabazite tuff
(Springer, 2017)In this study, the adsorption of methane (CH4) on chabazite tuff from Bala, Turkey, and that of salt-treated forms (Na+, K+, Li+, Ca2+ and Mg2+) was investigated. Structural and thermal characterization of chabazite samples ... -
Thermal and SO2 adsorption properties of some clays from Turkey
(Springer, 2011)Thermal and structural properties of three clays (sepiolite and two kaolinites) from Turkey were studied by thermal analysis (TG-DTA), X-ray diffraction (XRD), X-ray fluorescence (XRF), Fourier transform infrared (FT-IR), ... -
Influence of the exchangeable cations on SO2 adsorption capacities of clinoptilolite-rich natural zeolite
(Springer, 2011)The sulfur dioxide adsorption on clinoptilolite-rich tuff from Bigadi double dagger region of Western of Turkey and its modified forms (Na+, K+, Ca2+ and Mg2+) have been studied at 273 K and 293 K up to 100 kPa. The ... -
Voltammetric Behaviour of Sulfamethoxazole on Electropolymerized-Molecularly Imprinted Overoxidized Polypyrrole
(MDPI, 2008)In this work, preparation of a molecularly imprinted polymer (MIP) film and its recognition properties for sulfamethoxazole were investigated. The overoxidized polypyrrole (OPPy) film was prepared by the cyclic voltammetric ... -
Electroanalytical Determination of Some Sulfonamides on Overoxidized Polypyrrole Electrodes
(Csiro Publishing, 2011)The electrochemical behaviours of five sulfonamides (sulfanilamide, sulfadiazine, sulfamerazine, sulfamonomethoxine, sulfamethoxazole) were investigated with overoxidized polypyrrole (OPPy) modified pencil graphite electrodes. ... -
Conservation of quantum efficiency in quantum well intermixing by stress engineering with dielectric bilayers
(IOP Publishing LTD, 2018)In semiconductor lasers, quantum well intermixing (QWI) with high selectivity using dielectrics often results in lower quantum efficiency. In this paper, we report on an investigation regarding the effect of thermally ... -
Determination of Sulfamethoxazole in Pharmaceutical Formulations by Flow Injection System/HPLC with Potentiometric Detection using Polypyrrole Electrode
(Soc Brasileira Quimica, 2011)In this work, it was used a polypyrrole (PPy) electrode as a potentiometric electrochemical detector in a flow injection system in order to determine sulfamethoxazole in pharmaceutical formulations. The PPy electrode was ... -
Electrochemical synthesis and characterization of a new soluble conducting polymer
(Springer, 2009)Electroactive poly(4-methyl carbazole-3-carboxylic acid) (PMCCA) film was formed on Pt electrode surface by oxidative electropolymerization of a new carbazole derivative. The structure of the soluble polymer was elucidated ... -
In situ electrochemical solid-phase extraction of anions and cations using polypyrrole and overoxidized sulfonated polypyrrole
(Elsevier Science BV, 2008)A new method for the extraction of both anions and cations is proposed using electro-synthesized polypyrrole (PPy) and overoxidized sulfonated polypyrrole film (OSPPy). In situ anion (chloride, nitrate, sulfate) and cation ... -
Ion chromatography-potentiometric detection of inorganic anions and cations using polypyrrole and overoxidized polypyrrole electrode
(Elsevier Science Sa, 2008)Polypyrrole (PPy) and overoxidized polypyrrole (OPPy) films were used as a potentiometric detector in ion chromatography, in order to determine some anions and cations in water samples. Electrodeposition of PPy film was ... -
Determination of ascorbic acid by polypyrrole potentiometric detector in ion chromatography
(Elsevier Advanced Technology, 2009)A potentiometric detector, based on electrodeposition of polypyrrole onto Pt electrode, was investigated in this study. The chromatographic performance of the PPy detector was investigated in ion chromatography. The resulting ... -
Removal of calcium and magnesium using polyaniline and derivatives modified PVDF cation-exchange membranes by Donnan dialysis
(Elsevier Science BV, 2009)In this work, polyaniline (PAni), poly-n-ethylaniline, poly-n-methylaniline and poly-o-anisidine were prepared by chemical polymerization. 1,3 (6 or 7)-napthalenetrisulfonic acid was used for the first time in the literature ... -
The Substituent Effects on the Structure and Surface Morphology of Polyaniline
(Wiley, 2010)In this work, poly(2-fluoroaniline), poly(2-chloroaniline), poly(2-methylaniline), and poly(N-ethylaniline) were prepared by a self-assembly method using an oxidizing system consisting of a dopant anion, p-toluene sulfonate ... -
Modification of gate dielectric on the performance of copper (II) phthalocyanine based on organic field effect transistors
(Elsevier GMBH, 2017)Top contact Copper (II) Phthalocyanine (CuPc) based on Organic Field Effect Transistor (OFET) using various dielectrics were fabricated. The bare SiO2 and bilayer Polyvinyl alcohol (PVA)/SiO2 gate insulators with different ... -
Molecular structure, NMR analyses, density functional theory and ab initio Hartree-Fock calculations of 4,4 '-diaminooctafluorobiphenyl
(Elsevier Science BV, 2008)H-1 and F-19 MAS, C-13 and N-15 CP/MAS NMR and liquid phase NMR spectra of 4,4'-diaminooctafluorobiphenyl (DAOFB) have been reported for the first time. H-1, C-13 and N-15 NMR chemical shifts of DAOFB (C12H4F8N2) have been ... -
Vibrational spectroscopic study on some Hofmann type clathrates: M(1-Phenylpiperazine)(2)Ni(CN)(4)center dot 2G (M = Ni, Co and Cd; G = aniline)
(Elsevier Science BV, 2009)New Hofmann type aniline clathrates in the form of M(PP)(2)Ni(CN)(4)center dot 2G (where pp = 1-phenylpiperazine, G = aniline and M = Ni. Co and Cd) have been prepared in powder form and FT-IR and Raman spectra have been ... -
Effect of the Deposition Temperature on the Device Performance of the Nanostructured ZnO Thin Film Transistor by Sol Gel Method
(Amer Scientific Publishers, 2014)In this study, the nanostructured ZnO thin film transistors (TFTs) were fabricated by using sol-gel spin-coating method and the deposition temperature effect on the structural and morphological properties of active layer ...