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Browsing Kimya / Chemistry by Author "Yıldız, Salih Zeki"

Now showing items 1-20 of 31

Adsorption of Cd(II) ions onto polyamine-polyurea polymer modified with pyromellitic dianhydride

Özer, Çiğdem; Boysan, Füsun; İmamoğlu, Mustafa; Yıldız, Salih Zeki (DESALINATION PUBL, 2016)

In this study, polyamine-polyurea polymer was synthesized using toluendiisocyanate and polyethyleneimine. It was then modified using pyromellitic dianhydride. The polymer so obtained (PMPPP) was used for the adsorption of ...
Adsorption of Cd(II) ions onto polyamine-polyurea polymer modified with pyromellitic dianhydride

Özer, Çiğdem; Boysan, Füsun; İmamoğlu, Mustafa; Yıldız, Salih Zeki (2014)
Aldehyde Substituted Phthalocyanines: Synthesis, Characterization and Investigation of Photophysical and Photochemical Properties

Pinar Sen; Yıldız, Salih Zeki; Ali Erdogmus; Necmi Dege; Atalay, Yusuf (SPRINGER/PLENUM PUBLISHERS, 2016)

The new free and nickel phthalocyanine derivatives, tetrakis [(2-formylphenoxy)-phthalocyanine (4), tetrakis [(2-formylphenoxy)-phthalocyaninato]nickel(II) (5) have been synthesized via de-protection of tetra acetal-substituted ...
Chemically Modified Silica Gel with N-(2-aminoethyl)-Salicylaldimine for Simultaneous Solid Phase Extraction and Preconcentration of Cu(II), Ni(II), Cd(II) and Zn(II) in waters

İmamoğlu, Mustafa; Yıldız, Salih Zeki (SPRINGER, 2012)

In this study, N-(2-aminoethyl)salicylaldimine bonded silica gel was synthesized and characterized using Fourier transform infrared and C, H, N elemental analysis. The analytical conditions such as the pH and volume of the ...
Crystal structure and Hirshfeld surface analysis of 4-[4-(1H-benzo[d]imidazol-2-yl)phenoxy]phthalonitrile dimethyl sulfoxide monosolvate

Sibel Demir Kanmazalp; Pinar Sen; Necmi Dege; Yıldız, Salih Zeki; Namik Ozdemir; Irina A. Golenya (INT UNION CRYSTALLOGRAPHY, 2019)

This work presents the synthesis and structural characterization of [4-(1H-benzo[d]imidazol-2-yl) phenoxy]phthalonitrile, a phthalonitrile derivative carrying a benzimidazole moiety. The compound crystallizes as its dimethyl ...
Determination and analysis of the dispersive optical constants of the 2,9,16,23-tetraneopentoxyphthalocyaninatozinc(II) charge transfer complex with 2,3-dichloro-5,6-dicyano-p-benzoquinone thin film

Arslan, Mustafa; Yıldız, Salih Zeki (ELSEVIER SCIENCE BV, 2005)

Optical characterization of the charge transfer complex of 2,9,16,23-tetra neopentoxyphthalocyaninatozinc(II) with 2,3-dichloro-5,6-dicyano p-benzoquinone (DDQ) has been carried out using the transmittance T(lambda) and ...
(E, E)S, S '-bis(2-benzimidazolylmethyl) dithioglyoxime, synthesis and characterization of heterotrinuclear complexes of and determination of their metal contents by EDXRF analysis

Yıldız, Salih Zeki; Atalay, Yusuf (ELSEVIER SCIENCE SA, 2008)

A vicinal dioxime ligand with two 2-benzimidazolylmethyl groups, namely S,S'-bis(2-benzimidazolylmethyl) dithioglyoxine (H2L) and its axially pyridine and 2,6-dimethyl pyridine bonded Co(III) complexes were prepared according ...
Enhanced Adsorption of Hexavalent Chromium Ions on Polyamine Polyurea Polymer: Isotherm, Kinetic, Thermodynamic Studies and Batch Processing Design

Özer, Çiğdem; Boysan, Füsun; İmamoğlu, Mustafa; Yıldız, Salih Zeki (TAYLOR & FRANCIS INC, 2016)

In the present study, polyamine polyurea polymer was employed for adsorption of Cr(VI) ions from aqueous solution. Adsorption studies were carried out to examine the effects of parameters such as pH, contact time, initial ...
Functional Substituted Phthalocyanines Bearing Ter-pyridine Complexes as Macromolecular Oxidation Catalysts for Bleaching Systems

Pinar Sen; Yıldız, Salih Zeki; Necmi Dege; Mehmet Atakay; Bekir Salih (WILEY-V C H VERLAG GMBH, 2017)

The present study dealing with the oxidation catalysts using in laundry bleaching process comprises of the complexion of 4'-(N-2-phthalonitrile-N-methylamino)-2,2':6',2''-terpyridine (2) with the related MnCl2.4H(2)O and ...
Functional zinc(II) phthalocyanines bearing Schiff base complexes as oxidation catalysts for bleaching systems

Pinar Sen; Dilek Kara Simsek; Yıldız, Salih Zeki (WILEY-BLACKWELL, 2015)

Oxidation catalysis is used to increase the performance of hydrogen peroxide in laundry bleach applications. Bleach catalysts provide cost-effective, energy-saving and environmentally friendly bleach systems yielding perfect ...
Investigation of Pb(II) adsorption on a novel activated carbon prepared from hazelnut husk by K2CO3 activation

İmamoğlu, Mustafa; Huseyin Sahin; Seyma Aydin; Fatmanur Tosunoglu; Yılmaz, Harun; Yıldız, Salih Zeki (DESALINATION PUBL, 2016)

Hazelnut husk, an agricultural waste, was used to prepare an activated carbon (HHPCAC) by chemical activation using K2CO3. HHPCAC was characterized by FT-IR spectroscopy, BET surface area determination, SEM, Boehm titration, ...
Investigation of the photophysical and photochemical properties of peripherally tetra-substituted water-soluble zwitterionic and cationic zinc(II) phthalocyanines

Senem Colak; Mahmut Durmus; Yıldız, Salih Zeki (ROYAL SOC CHEMISTRY, 2016)

In this study, 4-{4-[N-((3-dimethylamino)propyl)amide]phenoxy}phthalonitrile (1) and its zinc(II) phthalocyanine derivative (2) were synthesized for the first time. 4-(N-((3-Dimethylamino)propyl)amide)phenoxy substituted ...
Metal-free and metallophthalocyanines appending with eight 12-crown-4 ethers

Yıldız, Salih Zeki (ELSEVIER SCIENCE SA, 2010)

The metal-free phthalocyanine 2 was synthesized from the 4,5-bis(1,4,7,10-tetraoxacyclododecan-2-ylmethoxy)phthalonitrile 1 in the presence of a strong base in n-pentanol. The synthesis of metallo derivatives [Ni(II), ...
New alkaline media-soluble functional zinc(II) phthalocyanines bearing poly (hydroxylmethyl)iminomethane Schiff base complexes in catalytic bleaching

Pinar Sen; Ertug Yildirim; Yıldız, Salih Zeki (ELSEVIER SCIENCE SA, 2016)

This comparative study is based on the preparation of Bis[bis(tris(hydroxymethl)iminomethane-phenoxy)manganese(III)]phthalocyaninato zinc(II) (3) and Bis[bis(tris(hydroxymethyl)iminomethane-phenoxy) cobalt(III)] phthalocyaninato ...
New soluble amidoamine substituted phthalocyanines: synthesis, characterization, and investigation of their solution properties

Yıldız, Salih Zeki (SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2014)

The synthesis of tetraaminopropylamid substituted phthalocyanines was targeted to prepare enhanced soluble phthalocyanines in common solvents from hydrophobic to hydrophilic that bore nonionic groups on their periphery. ...
Non-ionic peripherally substituted soluble phthalocyanines: Synthesis characterization and investigation of their solution properties

Yıldız, Salih Zeki; Tuna, Murat (2014)
Novel Functionalized Silica Gel for On-line Preconcentration of Cadmium(II), Copper(II), and Cobalt(II) with Determination by Flame Atomic Absorption Spectrometry

Sezen Sivrikaya; İmamoğlu, Mustafa; Yıldız, Salih Zeki; Derya Kara (TAYLOR & FRANCIS INC, 2016)

Silica gel functionalized with 2-[N,N'-bis(2,3-dihydroxybenzaldimin)] aminoethylamine was employed as a novel sorbent for preconcentration of copper(II), cobalt(II), and cadmium(II) by flow injection-solid phase extraction. ...
Peripherally tetra-benzimidazole units-substituted zinc(II) phthalocyanines: Synthesis, characterization and investigation of photophysical and photochemical properties

Pinar Sen; Goknur Yasa Atmaca; Ali Erdogmus; Sibel Demir Kanmazalp; Necmi Dege; Yıldız, Salih Zeki (ELSEVIER SCIENCE BV, 2018)

The context of this study is based on the synthesis of 4-(4-(1H-benzo[d] imidazole-2yl) phenoxy group substituted phthalocyanine (4) and 4-(4-(1-allyl-1H-benzo[d] imidazole-2yl) phenoxy group substituted phthalocyanine ...
Simultaneous ICP-OES determination of trace metals in water and food samples after their preconcentration on silica gel functionalized with N-(2-aminoethyl)-2,3-dihydroxybenzaldimine

Esra Durduran; Altundağ, Hüseyin; İmamoğlu, Mustafa; Yıldız, Salih Zeki; Mustafa Tuzen (ELSEVIER SCIENCE INC, 2015)

Silica gelwas functionalized with N-(2-aminoethyl)-2,3-dihydroxybenzaldimine group (AEDHB-SG) and characterized by elemental analysis and FT-IR spectroscopy. Preconcentration conditions of Cd(II), Cu(II), Ni(II) and Pb(II) ...
Substituted manganese phthalocyanines as bleach catalysts: synthesis, characterization and the investigation of de-aggregation behavior with LiCl in solutions

Pinar Sen; Yıldız, Salih Zeki (SPRINGER, 2019)

This study reported the oxidative degradation of morin dye with hydrogen peroxide catalyzed by manganese phthalocyanines as low temperature bleaching catalysts for laundry applications. A novel series of manganese ...