Zobrazeno 1 - 10
of 135
pro vyhledávání: '"Dondur Vera"'
Aflatoxin B1 adsorption by the natural aluminosilicates - concentrate of montmorillonite and zeolite
Autor:
Marković Marija A., Daković Aleksandra S., Rottinghaus George E., Stojanović Mirjana D., Dondur Vera T., Kragović Milan M., Gulišija Zvonko P.
Publikováno v:
Hemijska Industrija, Vol 70, Iss 5, Pp 519-524 (2016)
Aflatoxin B1 adsorption by the concentrate of bentonite clay - montmorillonite and the natural zeolite - clinoptilolite and was investigated at the initial toxin concentration 4 ppm, with different amonunts of solid phase in suspension (10, 5, 2 a
Externí odkaz:
https://doaj.org/article/38aeb7711c7340e8b09ba61157bd13e3
Autor:
Mihajlović-Lalić Ljiljana E., Damjanović Ljiljana, Šumar-Ristović Maja, Savić Aleksandar, Sabo Tibor J., Dondur Vera, Grgurić-Šipka Sanja
Publikováno v:
Journal of the Serbian Chemical Society, Vol 81, Iss 8, Pp 897-905 (2016)
The thermal behaviour of a Pt(IV) and a Ru(II) complex coordinated to O,O'-di-n-butyl-(S,S)-ethylenediamine-N,N'-di-2-(3-cyclohexyl)propanoate has been investigated using thermogravimetry (TG) and differential scanning calorimetry (DSC). The study
Externí odkaz:
https://doaj.org/article/fdcfd1842e3b46d2aabb460c2e188691
Autor:
Omerašević Mia, Ružić Jovana, Vuković Nikola, Jovanović Uroš, Mirković Miljana, Maksimović Vesna, Dondur Vera
Publikováno v:
Science of Sintering, Vol 48, Iss 1, Pp 101-107 (2016)
The possibility to use natural zeolite - clinoptilolite as a host material for radioactive Cs immobilization has been investigated. Cs-exchanged form of clinoptilolite which was prepared by treatment of clinoptilolite powder with 0.25 M CsCl solut
Externí odkaz:
https://doaj.org/article/f6b6fda6374d47d589bd1c0aeff41695
Autor:
Stošić Dušan, Damjanović Ljiljana S., Hercigonja Radmila, Dondur Vera, Rac Vladislav, Rakić Vesna
Publikováno v:
Hemijska Industrija, Vol 62, Iss 3, Pp 125-130 (2008)
L-histidine, a naturally occurring amino acid, was incorporated inside the supercages of FAU type zeolite in a form of Me-complex entity (Me = Cu(II), Zn(II), Fe(III)). The preparation was done either by ion-exchange procedure, or previously prepared
Externí odkaz:
https://doaj.org/article/b81070437ddf49649fc330e4c2f3556f
Autor:
Dimitrijević Radovan, Dondur Vera
Publikováno v:
Journal of the Serbian Chemical Society, Vol 72, Iss 12, Pp 1351-1362 (2007)
The thermal behaviours of fully Mg2+ cation exchanged LTA, FAU (X and Y species), GIS and SOD zeolites were investigated in the temperature range from ambient to 1400 °C. The initial zeolite frameworks collapsed into amorphous intermediate substance
Externí odkaz:
https://doaj.org/article/68746d8f902648a9a657af33dcb848ee
Publikováno v:
Hemijska Industrija, Vol 61, Iss 3, Pp 117-122 (2007)
The thermal transformation of zeolite precursor is a relatively novel route for the synthesis of aluminosilicate-based ceramic materials which had found numerous uses in the production of dielectric ceramics, microelectronic packaging electromagnetic
Externí odkaz:
https://doaj.org/article/613ae2b4e5a3417998aee686da309f6f
Publikováno v:
Hemijska Industrija, Vol 61, Iss 3, Pp 123-128 (2007)
The plant alkaloid, nicotine, is a strongly toxic heterocyclic compound: the lethal dose for an adult human being (40-60 mg) is importantly lower in comparison with the other known poisons such as arsenic or strychnine. Cigarettes represent "the mo
Externí odkaz:
https://doaj.org/article/bb1d0c6799d6434996e12ce0282e91d1
Publikováno v:
Journal of the Serbian Chemical Society, Vol 70, Iss 3, Pp 457-474 (2005)
This review summarizes some of the recently published results concerning the acid sites in the zeolites ZSM-5 and Y studied by temperature-programmed desorption (TPD) and adsorption calorimetry using different probe molecules NH3, CO, N2O and n-hexan
Externí odkaz:
https://doaj.org/article/77a4733e019b48c6af7c7b32ef43a3ce
Publikováno v:
Journal of the Serbian Chemical Society, Vol 70, Iss 12, Pp 1409-1418 (2005)
In this work, the free energy changes and entropy changes of adsorption of n-hexane on zeolites of the MxNa87-2xX (M=Co,Ni,Zn,Cd) type were determined using their isosteric sorption heats. It was found that the exchange of Na ions in NaX with bivalen
Externí odkaz:
https://doaj.org/article/ff44a314b43541798dcd7e84d64074f7
Autor:
Radosavljević-Mihajlović Ana S., Dondur Vera T., Daković Aleksandra S., Lemić Jovan B., Tomašević-Čanović Magdalena R.
Publikováno v:
Journal of the Serbian Chemical Society, Vol 69, Iss 4, Pp 273-282 (2004)
Samples of natural HEU-type zeolites – clinoptilolite-Ca, from the Novakovici deposit (near Prijedor, Bosnia and Herzegovina) were treated with the hydrochloric acid of various concentrations (from 10-3Mto 2M). Zeolitic tuffs before and after the a
Externí odkaz:
https://doaj.org/article/1dc4f95c05794840baa4b2380617f2cd