Annales UMCS, Chemia Volume 64: January, Page 2

Journal Article

Chromatographic characterisation of acceptor-donor properties of MCMs

Grajek, H.; Paciura-Zadrożna, J.; Witkiewicz, Z.

2009 Annales UMCS, Chemia

Chromatographic characterisation of acceptor-donor properties of MCMs The values of the specific retention volumes of non-polar and polar adsorbates chromatographed on the ordered mesoporous silica adsorbents (MCMs) were determined under their infinite dilution conditions. Two methods were...

Open Access

Journal Article

Mechanochemical synthesis of barium titanate and its photocatalytic properties

Sydorchuk, V.; Khalameida, S.; Zazhigalov, V.

2009 Annales UMCS, Chemia

doi:10.2478/v10063-008-0012-9

Mechanochemical synthesis of barium titanate and its photocatalytic properties The nano-dispersed barium titanate was synthesised by mechanochemical treatment of barium titanyl oxalate and mixture of BaO and TiO 2 . Prepared barium titanate demonstrates higher photoactivity in comparison to the...

Open Access

Journal Article

Properties of materials as determined by inverse gas chromatography

Voelkel, A.; Adamska, K.

2009 Annales UMCS, Chemia

doi:10.2478/v10063-008-0013-8

Properties of materials as determined by inverse gas chromatography The application of inverse gas chromatography (IGC) in the determination of the physicochemical properties of various materials is presented and discussed. The special attention is focused on the determination of solubility...

Open Access

Journal Article

Clusterization of water at a surface of nanosilica A-380

Petin, A.; Gun'ko, V.; Turov, A.; Turov, V.; Leboda, R.

2009 Annales UMCS, Chemia

doi:10.2478/v10063-008-0014-7

Clusterization of water at a surface of nanosilica A-380 Thermodynamic and structural characteristics of water (0.07-1 g per 1 g of silica) bound to nanosilica A-380 ( S BET = 378 m 2 /g, primary particle diameter 7.2 nm) alone or on co-adsorption with chloroform alone or in the mixture with DMSO...

Open Access

Journal Article

Ceria-zirconia supported gold catalysts

Rynkowski, J.; Dobrosz-Gómez, I.

2009 Annales UMCS, Chemia

doi:10.2478/v10063-008-0015-6

Ceria-zirconia supported gold catalysts This paper presents the most important achievements and conclusions coming from the contributions concerning ceria-zirconia supported Au catalysts for low temperature water gas-shift reaction and low-temperature CO oxidation. The usefulness of CeO 2 -ZrO 2...

Open Access

Journal Article

Specific control parameters in the technology of aerosol nanocatalysis

Glikina, I.; Glikin, M.; Kudryavtsev, S.

2009 Annales UMCS, Chemia

doi:10.2478/v10063-008-0016-5

Specific control parameters in the technology of aerosol nanocatalysis This article shows the benefits of new technology for the implementation of gas-phase chemical reactions by aerosol nanocatalysis. The influence of new managing factors such as the concentration of catalyst, frequency,...

Open Access

Journal Article

Application of novel complexing agent in sorption of heavy metal ions from wastewaters on ion exchangers of various types

Kołodyńska, D.; Hubicki, Z.

2009 Annales UMCS, Chemia

doi:10.2478/v10063-008-0017-4

Application of novel complexing agent in sorption of heavy metal ions from wastewaters on ion exchangers of various types Ethylenediaminetetraacetic acid (EDTA) and nitrilotriacetic acid (NTA) are very effective chelating agents used in many branches of industry. However, they are characterized...

Open Access

Journal Article

Preparation of matrix-free reference materials of volatile analytes based on the controlled decomposition of surface compounds: a new concept

Kupiec, K.; Konieczka, P.; Namieśnik, J.

2009 Annales UMCS, Chemia

doi:10.2478/v10063-008-0018-3

Preparation of matrix-free reference materials of volatile analytes based on the controlled decomposition of surface compounds: a new concept The use of reference materials in analytical laboratories is on the increase. Undoubtedly, the reason for this is the need for traceable and therefore...

Open Access

Journal Article

Soft-templating synthesis of nanoporous carbons with incorporated alumina nanoparticles

Choma, J.; Żubrowska, A.; Górka, J.; Jaroniec, M.

2009 Annales UMCS, Chemia

doi:10.2478/v10063-008-0019-2

Soft-templating synthesis of nanoporous carbons with incorporated alumina nanoparticles Soft-templated microporous-mesoporous carbons with embedded alumina nanoparticles were synthesized using resorcinol and formaldehyde as carbon precursors, different inorganic acids as a catalyst and...

Open Access

Journal Article

SPE and GC methods of preconcentration and determination of phenol, o-chlorophenol, and benzene by means of chemically modified silica

Rykowska, I.; Wasiak, W.

2009 Annales UMCS, Chemia

doi:10.2478/v10063-008-0020-9

SPE and GC methods of preconcentration and determination of phenol, o-chlorophenol, and benzene by means of chemically modified silica In the paper preparation, characteristics and potential applications of two new sorbents with chemically bonded transition metal complexes have been presented....

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