Browsing by Author "Ozdes, Duygu"
Now showing items 1-20 of 35
-
Acetohydrazide Derivative for Selective Separation and Preconcentration of Cu(II) Ions by Coprecipitation Method Without Using a Carrier Element
Ozdes, Duygu; Duran, Celal; Bektas, Hakan; Tufekci, Mehmet; Soylak, Mustafa (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 ... -
Adsorption Behaviour of EDTA Modified Magnetic Fe3O4 Coated Brewed Tea Waste on Cr(VI) Removal
Ozdes, Duygu; Çamoğlu, Aslıhan Yılmaz; Duran, Celal (SPRINGERNATURE, 2022)The study focused on fabricating a novel magnetic Fe3O4 loaded and EDTA modified brewed tea waste (TW-Fe3O4-EDTA) as a cheap, environmentally friendly, and efficient adsorbent for the removal of Cr(VI) ions from aqueous ... -
Adsorption of Phenol from Aqueous Solution on a Low-Cost Activated Carbon Produced from Tea Industry Waste: Equilibrium, Kinetic, and Thermodynamic Study
Gundogdu, Ali; Duran, Celal; Senturk, H. Basri; Soylak, Mustafa; Ozdes, Duygu; Serencam, Huseyin; Imamoglu, Mustafa (Amer Chemical Soc, 2012)The ability of activated carbon which was produced by chemical activation using zinc chloride from tea industry wastes (TIWAC) to adsorb phenol molecules from aqueous solution was tested by equilibrium, kinetic, and ... -
Application of Carrier Element Free Coprecipitation (CEFC) Method for Determination of Co(II), Cu(II) and Ni(II) Ions in Food and Water Samples
Serencam, Huseyin; Duran, Celal; Ozdes, Duygu; Bektas, Hakan (Slovensko Kemijsko Drustvo, 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), ... -
Application of Magnetic Fe3O4 Alnus glutinosa Sawdust Biochar/SiO2/CTAB as a New Sorbent for Magnetic Solid Phase Extraction of Heavy Metals from Fruit and Waters Samples
Duran, Celal; Ozdes, Duygu (Taylor & Francis Ltd, 2021)The coating of magnetic Fe(3)O(4)Alnus glutinosa sawdust biochar with SiO2 and further functionalising by cetyltrimethyl ammonium bromide (CTAB), a cationic surfactant, was described for the first time in the current paper. ... -
Assessment of Heavy Metal Contents of Mulberry Samples (Fruit, Leaf, Soil) Grown in Gumushane Province
Kalkisim, Ozgun; Ozdes, Duygu; Baltaci, Cemalettin; Duran, Celal (Springer, 2019)The present study aims to identify the heavy metal contents of white mulberry (Morus albaL.) and black mulberry (Morus nigraL.) that are grown in the city center of Gumushane province and its neighboring counties. Heavy ... -
ASSESSMENT OF KINETICS, THERMODYNAMICS AND EQUILIBRIUM PARAMETERS OF CR(VI) BIOSORPTION ONTO Pinus brutia TEN
Ozdes, Duygu; Gundogdu, Ali; Kemer, Baris; Duran, Celal; Kucuk, Murat; Soylak, Mustafa (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 ... -
Assessment of kinetics, thermodynamics, and equilibrium parameters of Cu(II) adsorption onto Rosa canina seeds
Serencam, Huseyin; Ozdes, Duygu; Duran, Celal; Senturk, Hasan Basri (Desalination Publ, 2014)Rosa canina seeds (RCS) is considered as a low-cost and promising adsorbent in removal of metal ions; hence, in the present study, we aimed to test the adsorptive removal of Cu(II) ions from aqueous solutions by utilizing ... -
Biosorption properties of Morus alba L. for Cd (II) ions removal from aqueous solutions
Serencam, Huseyin; Ozdes, Duygu; Duran, Celal; Tufekci, Mehmet (Springer, 2013)The abundantly available industrial waste product Morus alba L. pomace (MAP) is one of the cost-effective biosorbent for removal of metal ions from aqueous solutions. Hence, in the present study, we aimed to test the ability ... -
Cadmium and nickel determinations in some food and water samples by the combination of carrier element-free coprecipitation and flame atomic absorption spectrometry
Bahadir, Zekeriyya; Ozdes, Duygu; Bulut, Volkan Numan; Duran, Celal; Elvan, Hamide; Bektas, Hakan; Soylak, Mustafa (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 ... -
Determination of Pb(II), Zn(II), Cd(II), and Co(II) ions by flame atomic absorption spectrometry in food and water samples after preconcentration by coprecipitation with Mo(VI)-diethyldithiocarbamate
Tufekci, Mehmet; Bulut, Volkan Numan; Elvan, Hamide; Ozdes, Duygu; Soylak, Mustafa; Duran, Celal (Springer, 2013)A new, simple, and rapid separation and preconcentration procedure, for determination of Pb(II), Cd(II), Zn(II), and Co(II) ions in environmental real samples, has been developed. The method is based on the combination of ... -
Determination of Pomological and Morphological Characteristics and Chemical Compositions of Local Apple Varieties Grown in Gumushane, Turkey
Kalkisim, Ozgun; Ozdes, Duygu; Okcu, Zuhal; Karabulut, Besim; Senturk, Hasan Basri (Springer, 2016)The present study was conducted in order to determine the pomological and morphological characteristics and chemical compositions of some local apple varieties grown in Gumushane. As a result of field work in Gumushane ... -
Development of a New and Facile Carrier Element-Free Coprecipitation Procedure for Separation, Preconcentration and Sensitive Determination of Cu(II) and Cd(II) Ions in Water and Vegetable Samples
Duran, Celal; Ozdes, Duygu; Mentese, Emre; Bektas, Hakan (TAYLOR & FRANCIS INC, 2023)A facile and sensitive method predicated on carrier element free coprecipitation (CEFC) using 2-(2-(2-(4-bromobenzyl)-1H-benzo[d]imidazole-1-yl)acetyl)-N-ethylhydrazine-1-carbothioamide (BIMANEC) is reported for trace ... -
Development of a New Solid Phase Extraction Procedure for Selective Separation and Enrichment of Au(III) Ions in Environmental Samples
Elvan, Hamide; Ozdes, Duygu; Duran, Celal; Bulut, V. Numan; Gumrukcuoglu, Nurhan; Soylak, Mustafa (Soc Brasileira Quimica, 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 ... -
Equilibrium, kinetics, and thermodynamic evaluation of mercury (II) removal from aqueous solutions by moss (Homalothecium sericeum) biomass
Ozdes, Duygu; Duran, Celal (Wiley, 2015)In the present research, Homalothecium Sericeum was utilized for the first time as an effective and readily available adsorbent in removal of Hg(II) ions from aqueous solutions through a batch adsorption technique. The ... -
Evaluation of Pomological and Morphological Characteristics and Chemical Compositions of Local Pear Varieties (Pyrus communis L.) Grown in Gumushane, Turkey
Kalkisim, Ozgun; Okcu, Zuhal; Karabulut, Besim; Ozdes, Duygu; Duran, Celal (Springer, 2018)The aim of the present research was to investigate the fruit quality of twenty different local pear varieties (Pyrus communis L.), namely Ahlat, Ankara, Arpa, BA +/- ldA +/- rcA +/- n, Cermai, Cinci, Gelin Bogan, HacA +/- ... -
Evaluation of the Effect of Different Harvest Time on the Fruit Quality of FoAYa Nut
Kalkisim, Ozgun; Turan, Ali; Okcu, Zuhal; Ozdes, Duygu (Springer, 2016)This study was carried out in Arsin (Trabzon/Turkey) in 2011. The effects of different harvest time and altitudes on the quality of the nuts have been investigated. The study was performed on FoAYa hazelnut and the harvest ... -
A facile and sensitive coprecipitation method coupled with flame atomic absorption spectrometry for quantification of Cu(II) ions in complex matrices
Ozdes, Duygu; Duran, Celal; Bektas, Hakan; Mentese, Emre (SERBIAN CHEMICAL SOC, 2022)In the present investigation, the application of an organic coprecipit-ant, 2-[5,6-dichloro-2-(2-bromobenzyl)-1H-benzimidazole-1-yl]acetohydrazide (DIBBA), for separation and preconcentration of Cu(II) ions in fruit and ... -
Insights into brewed tea waste as a green and low-priced adsorbent for solid-phase extraction of Cd(II) ions: isotherm, kinetic, and artificial neural network approach
Ozdes, Duygu; Tilki, Nida; Seker, Serdal; Duran, Celal (Springer Nature, 2022)In the present research, brewed tea waste (BTW) was utilized as a green, low-priced, and abundant adsorbent for separation/preconcentration of Cd(II) ions through solid-phase extraction method from water and foods for the ... -
Kinetics and Isotherm Analysis of Basic Dyes Adsorption onto Almond Shell (Prunus dulcis) as a Low Cost Adsorbent
Duran, Celal; Ozdes, Duygu; Gundogdu, Ali; Senturk, Hasan Basri (Amer Chemical Soc, 2011)The feasibility of using an agricultural byproduct, almond shell (Prunus dulcis), as an adsorbent in removal of basic dyes, namely, methylene blue (MB), methyl violet (MV), and toluidine blue 0 (TB), were evaluated in a ...
