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Browsing Kimya / Chemistry by Author "Aydın, Ali Osman"

Now showing items 1-20 of 36

A facile synthesis of zinc oxide/multiwalled carbon nanotube nanocomposite lithium ion battery anodes by sol-gel method

Köse, Hilal; Dombaycıoğlu, Şeyma; Aydın, Ali Osman; Akbulut, Hatem (ELSEVIER SCIENCE BV, 2015)

Free standing zinc oxide (ZnO) and multiwalled carbon nanotube (MWCNT) nanocomposite materials are prepared by a sol gel technique giving a new high capacity anode material for lithium ion batteries. Freestanding ZnO/MWCNT ...
Adsorption of Selenite and Selenate Ions onto Thiourea-Formaldehyde Resin

Gülfen, Mustafa; Aydın, Ali Osman (WILEY-BLACKWELL, 2011)

In the present work, thiourea-formaldehyde (TUF) chelating resin was synthesized and used in the adsorptions of selenite (SeO(3)(2-)) and selenate (SeO(4)(2-)) ions. The effects of initial acidity and initial selenium ...
Adsorption of Selenite Ions onto Poly(1,8-diaminonaphthalene) Synthesized by Using Ammonium Persulfate

Gülfen, Mustafa; Aydın, Ali Osman (2014)
Column solid phase extraction of gold, palladium and copper at trace levels on modified silica gel for their atomic absorption spectrometric determination

İmamoğlu, Mustafa; Aydın, Ali Osman (PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2005)

A method for the preconcentration of Au (III), Pd (II) and Cu (II) is proposed using a minicolumn filled with silica gel modified by 3-[2-(2-aminoethylamino)ethyl-amino]propyl group (AEAEAP-SG). The retained analytes on ...
Determination of gold, palladium and copper by flame atomic absorption spectrometry after preconcentration on silica gel modified with 3-(2-aminoethylamino)propyl group

İmamoğlu, Mustafa; Aydın, Ali Osman; Dündar, Mustafa Şahin (CENTRAL EUROPEAN SCIENCE JOURNALS, 2005)

A preconcentration method of gold, palladium and copper based on the sorption of Au (III), Pd (II) and Cu (II) ions on a column packed with 3-(2-aminoethylamino)propyl bonded silica gel is described. The modified silica ...
Determination of heavy metals in roadside soil from Sapanca Area Highway, Turkey

Şişman, İlkay; İmamoğlu, Mustafa; Aydın, Ali Osman (INDERSCIENCE ENTERPRISES LTD, 2002)

This paper describes the determination of lead and nickel in soil samples from Kinali-Sakarya highway side, near Lake Sapanca. Lake Sapanca is the drinking water source for Sakarya city and its environment. This highway ...
Dissolution kinetics of calcined chalcopyrite ore in sulphuric acid solution

Gülfen, Mustafa; Aydın, Ali Osman (NATL INST SCIENCE COMMUNICATION, 2008)

The dissolution kinetics of the primary calcined chalcopyrite ore from Damar mine area in Artvin city, Turkey was investigated in sulphuric acid solution. The ore was calcined for 1, 2 and 3 h at 373, 473, 573,....1273 K ...
Dissolution kinetics of iron from diasporic bauxite in hydrochloric acid solution

Gülfen, Mustafa; Aydın, Ali Osman (NATL INST SCIENCE COMMUNICATION, 2006)

The dissolution of iron in the bauxite ore including diasporite mineral from Kayaderesi region in Mugla-Milas city, Turkey was investigated in hydrochloric acid solution. The bauxite was calcined at different temperatures ...
Dissolution kinetics of primary chalcopyrite ore in hypochlorite solution

Gülfen, Mustafa; Aydın, Ali Osman (PERGAMON-ELSEVIER SCIENCE LTD, 2006)

Dissolution kinetics of primary chalcopyrite ore from Artvin-Murgul, Turkey has been studied in hypochlorite solution. The dissolution kinetics was found to be controlled by diffusion through the product layer as the ...
Dissolution of copper from a primary chalcopyrite ore calcined with and without Fe2O3 in sulphuric acid solution

Gülfen, Mustafa; Aydın, Ali Osman (NATL INST SCIENCE COMMUNICATION-NISCAIR, 2010)

Dissolution of copper from a primary chalcopyrite ore supplied from Damar mine area in Murgul-Artvin, Turkey, has been investigated in sulphuric acid solution after the calcination with and without Fe2O3. The chalcopyrite ...
Effect of alkaline additives on the thermal properties of bauxite

Alp, Ahmet; Aydın, Ali Osman (SPRINGER, 1998)

The dehydration and decomposition bauxite mixed with alkaline compounds were investigated under dynamic and isothermal conditions. Alkaline compounds (CaO or/and Na2CO3) were added to bauxite samples in various mole fractions ...
Effect of Alkaline Additives on the Thermal Properties of Bauxite

Alp, Ahmet; Aydın, Ali Osman (1998)
Electrochemical synthesis of CdS nanowires by underpotential deposition in anodic alumina membrane templates

Şişman, İlkay; Aydın, Ali Osman (PERGAMON-ELSEVIER SCIENCE LTD, 2010)

Cadmium sulfide (CdS) nanowires were electrosynthesized within the pores of the anodic alumina membranes (AAM) using underpotential deposition (UPD) through an electrochemical co-deposition at room temperature (25 degrees ...
Free-standing SnO2/MWCNT nanocomposite anodes produced by different rate spin coatings for Li-ion batteries

Köse, Hilal; Aydın, Ali Osman; Akbulut, Hatem (THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2014)

Free standing SnO2/multiwalled carbon nanotube (MWCNT) nanocomposite anode materials were prepared for Li-ion batteries by sol-gel technique. Firstly, SnO2 precursor sols were synthesized after removing chloride ions. Then ...
Graphene-based architectures of tin and zinc oxide nanocomposites for free-standing binder-free Li-ion anodes

Köse, Hilal; Dombaycıoğlu, Şeyma; Aydın, Ali Osman (WILEY, 2018)

Free-standing, flexible, and binderless binary ZnO-reduced graphene oxide (rGO), SnO2-rGO, and ternary ZnO-SnO2-rGO Li-ion anodes were produced by vacuum filtrating the mixture of metal oxides synthesized by sol-gel method ...
Kinetics of thermal decomposition of plumbo-jarosite

Özacar, Mahmut; Alp, Ahmet; Aydın, Ali Osman (KLUWER ACADEMIC PUBL, 2000)

An investigation was carried out on the kinetics of thermal decomposition of plumbo-jarosite. The kinetic models of dissociation of the compounds in the ore were identified. The results of the kinetic studies and the ...
Kinetics of Thermal Decomposition of Plumbo-Jarosite

Alp, Ahmet; Aydın, Ali Osman (2000)
Polialkol yöntemiyle nikel tozu üretimi

Şişman, İlkay; Aydın, Ali Osman (2007)
Production and characterization of free-standing ZnO/SnO2/MWCNT ternary nanocomposite Li-ion battery anode

Köse, Hilal; Dombaycıoğlu, Şeyma; Aydın, Ali Osman; Akbulut, Hatem (PERGAMON-ELSEVIER SCIENCE LTD, 2016)

High capacity ZnO/SnO2/MWCNT ternary nanocomposite films were prepared as free-standing anode materials by sol-gel spin coating method to increase the electrochemical discharge capacity of the Li-ion battery electrodes. ...
Reduced graphene oxide supported tin oxide-boron oxide flexible paper anodes for Li-ion batteries

Köse, Hilal; Dombaycıoğlu, Şeyma; Dombaycıoğlu, Şeyma; Akbulut, Hatem; Aydın, Ali Osman (SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2019)

Freestanding tin oxide-boron oxide/reduced graphene oxide (SnO2-B2O3/rGO) nanocomposite anode was produced for Li-ion cells. This binder-free flexible paper anode structure was fabricated by combining SnO2-B2O3 composite ...