Category Archives: Year 2012 Issue 6

Determination of selected UV filters in water samples

Determination of selected UV filters in water samples GACKOWSKA A., GACA J., ZAŁOGA J. Please cite as: CHEMIK 2012, 66, 6, 615-620 Methods for the determination of selected UV filters in water and wastewater samples have been presented. Procedure for enrichment and isolation of two UV filters from water and wastewater samples was described. Gas chromatograph coupled with flame ionization detector and mass spectrometry (GC-FID-MS) as well as liquid chromatograph equipped with UV and Diode Array (HPLC-UVDAD) detectors were used for the analysis. For both...
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The conception of constructed wetland for dyes removal in water solutions

The conception of constructed wetland for dyes removal in water solutions OLEJNIK D., WOJCIECHOWSKI K. Please cite as: CHEMIK 2012, 66, 6, 611-614 Constructed wetlands (CWS) are ecological systems that combine biological, chemical and physical processes in an engineered and managed system. Successful designing and operation of CWS required a basic knowledge and understanding of the components and the interrelationships that compose the system. The aim of this work is to evaluate the possibility of application of CWS for treatment of textile wastewater. This paper...
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Environmentally friendly catalysts for reduction of nitrogen oxides derived from the natural raw material ferrierite

Environmentally friendly catalysts for reduction of nitrogen oxides derived from the natural raw material ferrierite ĆWIKŁA-BUNDYRA W. Please cite as: CHEMIK 2012, 66, 6, 601-610 Selective catalytic reduction of NO with methane (CH4-SCR) was investigated over Co- and Fe- zeolites with ferrierite structure. The exchanged Co ions have been shown to exhibit activity in CH4-SCR of NO, while protons or Co species in Co-zeolites contributed to the CH4-SCR activity mostly by the increase of the NO reduction towards N2. The zeolites activity in SCR of...
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Sorption of Zn(II) ions in the presence of methylglycinediacetic acid (MGDA) on the anion exchangers of various basicity degree

Sorption of Zn(II) ions in the presence of methylglycinediacetic acid (MGDA) on the anion exchangers of various basicity degree JACHUŁA J., HUBICKI Z. Please cite as: CHEMIK 2012, 66, 6, 595-600 The paper presents the results of the studies of the mechanism of Zn(II) ions sorption from aqueous solutions in the presence of methylglycinediacetic acid (MGDA) as a complexing agent. The anion exchangers of Lewatit type of various basicity degrees: strongly basic Lewatit MonoPlus M 500, average basic Lewatit MonoPlus MP 64 and weakly basic...
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Synthesis of Sym-Phos {dicyclohexyl [3-(2,4,6-trimethoxyphenyl)-4-methoxynaphth-2-yl]phosphine} ligand and its application in Suzuki-Miyaura reaction

Synthesis of Sym-Phos {dicyclohexyl [3-(2,4,6-trimethoxyphenyl)-4-methoxynaphth-2-yl]phosphine} ligand and its application in Suzuki-Miyaura reaction KIELAR K., DEMCHUK O. Please cite as: CHEMIK 2012, 66, 6, 585-594 We present cheap, quick and efficient three-phase synthesis of air-resistant Sym-Phos ligand {dicyclohexyl[3-(2,4,6- trimethoxyphenyl)-4-methoxynaphth-2-yl]phosphine} of C,P-type complexes. Sym-Phos creates effective palladium catalysts to be used in difficult cases of cross-coupling reactions carried out under favourable conditions for the environment (water, unplugged flask, moderate temperature). Keywords: cross-coupling, C,P-complexation, phosphorus ligand, Suzuki-Miyaura reaction, homogeneous catalysis, palladium complexes Read more: pdf-icon Read more

[M(CQ)2] complexes (M = Ni, Pd and Pt, CQ = clioquinol) ? analogues of carboplatin VRANEC P., POTOČŇÁK I.

[M(CQ)2] complexes (M = Ni, Pd and Pt, CQ = clioquinol) ? analogues of carboplatin VRANEC P., POTOČŇÁK I. Please cite as: CHEMIK 2012, 66, 6, 575-584 [M(CQ)2] (M = Ni, Pd or Pt, CQ = 5-chloro-7-iodo-quinolin-8-ol, clioquinol) coordination compounds were prepared and characterized by infrared spectroscopy and thermal analysis. X-ray structure analysis revealed that the [Ni(CQ)2] and [Pd(CQ)2] complexes are molecular coordination compounds with central atoms square-planarly coordinated by nitrogen and oxygen atoms of two trans-arranged bidentate molecules of clioquinol. Nonbonding interactions in these...
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