Zobrazeno 1 - 10
of 101
pro vyhledávání: '"Todorović Zoran B."'
Autor:
Todorović Zoran B., Đordević Biljana S., Troter Dragan Z., Veselinović Ljiljana M., Zdujić Miodrag V., Veljković Vlada B.
Publikováno v:
Hemijska Industrija, Vol 77, Iss 1, Pp 53-67 (2023)
Deep eutectic solvents (DESs) are called 'designer solvents' due to various structural variations and the benefit of tailoring their physicochemical properties. For industrial applications of DESs it is crucial to know their physical and thermodynami
Externí odkaz:
https://doaj.org/article/875b844b2e164fb78e88a0b90a36e0a7
Autor:
Đorđević Biljana S., Troter Dragan Z., Veljković Vlada B., Kijevčanin Mirjana Lj., Radović Ivona R., Todorović Zoran B.
Publikováno v:
Journal of the Serbian Chemical Society, Vol 85, Iss 10, Pp 1303-1315 (2020)
Different deep eutectic solvents (DESs) of triethanolamine (TEOA) and oxalic acid (OA), glacial acetic acid (AA), L-(+)-lactic acid (LA), oleic acid (OLA), glycerol (G), ethylene glycol (EG), propylene glycol (PEG), choline chloride (ChCl) or 1,3-dim
Externí odkaz:
https://doaj.org/article/4fdbcd8f7efa451b8ced565ac497abcf
Autor:
Đokić-Stojanović Dušica R., Todorović Zoran B., Troter Dragan Z., Stamenković Olivera S., Veselinović Ljiljana M., Zdujić Miodrag V., Manojlović Dragan D., Veljković Vlada B.
Publikováno v:
Journal of the Serbian Chemical Society, Vol 84, Iss 3, Pp 253-265 (2019)
Ten organic solvents (triethanolamine, diethanolamine, ethylene glycol, methyl ethyl ketone, n-hexane, triethylamine, ethylene glycol dimethyl ether, glycerol, tetrahydrofuran and dioxane) were applied as cosolvents in the CaO-catalyzed ethanolysis o
Externí odkaz:
https://doaj.org/article/cc70877fcc35416890b590ce70aa01e4
Autor:
Đokić-Stojanović Dušica R., Todorović Zoran B., Troter Dragan Z., Stamenković Olivera S., Veselinović Ljiljana M., Zdujić Miodrag V., Manojlović Dragan D., Veljković Vlada B.
Publikováno v:
Hemijska Industrija, Vol 73, Iss 6, Pp 351-362 (2019)
Triethanolamine was applied as an efficient „green“ cosolvent for biodiesel production by CaO-catalyzed ethanolysis of sunflower oil. The reaction was conducted in a batch stirred reactor and optimized with respect to the reaction temperature (61
Externí odkaz:
https://doaj.org/article/8388c5614b924b0b803f246be2907856
Autor:
Troter Dragan Z., Todorović Zoran B., Đokić-Stojanović Dušica R., Đorđević Biljana S., Todorović Vanja M., Konstantinović Sandra S., Veljković Vlada B.
Publikováno v:
Journal of the Serbian Chemical Society, Vol 82, Iss 9, Pp 1039-1052 (2017)
This paper reports the physicochemical (density, dynamic viscosity, electrical conductivity and refractive index) and the thermodynamic (thermal expansion coefficient, molecular volume, lattice energy and heat capacity) properties of several choline
Externí odkaz:
https://doaj.org/article/04aa669f0b69442b92b8161de632646b
Chromium interaction with O-donor humic-like ligands using electrospray-ionization mass spectrometry
Autor:
Anđelković Darko H., Nikolić Ružica S., Marković Dejan Z., Anđelković Tatjana D., Kocić Gordana M., Todorović Zoran B., Bojić Aleksandar Lj.
Publikováno v:
Journal of the Serbian Chemical Society, Vol 78, Iss 1, Pp 137-154 (2013)
The study of the interaction of chromium with O-donor humic-like ligands is performed by electrospray-ionization mass spectrometry (ESI-MS) and ultraviolet/visible (UV/VIS) spectrophotometry. Heterogeneity of functional groups justifies the use of mo
Externí odkaz:
https://doaj.org/article/f2fa7f0d03974d909af186f4bf63ef9d
Autor:
Avramović Jelena M., Stamenković Olivera S., Todorović Zoran B., Lazić Miodrag L., Veljković Vlada B.
Publikováno v:
Chemical Industry and Chemical Engineering Quarterly, Vol 18, Iss 1, Pp 115-127 (2012)
The ultrasound-assisted sunflower oil methanolysis catalyzed by KOH was studied to define a simple empirical kinetic model useful for reactor design without complex computation. It was assumed that the neutralization of free fatty acids and the sapon
Externí odkaz:
https://doaj.org/article/b369a616033f44cfabeb76a26e1ad805
Publikováno v:
Journal of the Serbian Chemical Society, Vol 74, Iss 10, Pp 1143-1153 (2009)
In the pharmaceutical industry, an important step consists in the removal of possible drug residues from the involved equipments and areas. The cleaning procedures must be validated and methods to determine trace amounts of drugs have, therefore, to
Externí odkaz:
https://doaj.org/article/fc0c7b426e5f48af8640bb0e46ed312b
Publikováno v:
Journal of the Serbian Chemical Society, Vol 72, Iss 10, Pp 975-981 (2007)
The composition and stability of the complexes of isatin-β-thiosemicarbazone with Co(II), Ni(II), Cu(II), Zn(II), Pd(II) and Hg(II) have been investigated using spectrophotometric method at 30°C and constant ionic strength of 0.1 mol dm-3 (KNO3) in
Externí odkaz:
https://doaj.org/article/de4bccc6c59c4ec2b30a35f2b811b18b
Publikováno v:
Journal of the Serbian Chemical Society, Vol 67, Iss 12, Pp 879-885 (2002)
The optimum conditions were found for the preconcentration of trace metals in natural waters and model samples with standard metals concentrations by using 4-morpholine dithiocarbamate. The formed complexes were extracted with chloroform. Different m
Externí odkaz:
https://doaj.org/article/e32335b53d244ba4894401a8e945a590