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Приказ резултата 21-30 од 163
Structure-reactivity correlation for the kinetics of the formation reaction of 4-(substituted phenyl)-1,4-dihydropyridines / Korelacije strukture i reaktivnosti za kinetiku reakcije sinteze supstituisanih 4-fenil-1,4-dihidropiridina
(Serbian Chemical Society, Belgrade, 2013)
Quantitative structure-reactivity correlations for the kinetics of the Hantzsch synthesis of 4-(substituted phenyl)-1,4-dihydropyridines in the reaction between ethyl m- and p-substituted 2-benzylideneacetoacetate and the ...
Removal of a cationic dye from water by activated pinecones
(Srpsko hemijsko društvo, Beograd, 2012)
Adsorption of a cationic phenothyazine dye, Methylene Blue onto activated carbon prepared from pinecones was investigated. The parameters contact time, dye concentration and pH were varied. The kinetic data were found to ...
Effects of solvent and structure on the reactivity of 2-substituted nicotinic acids with diazodiphenylmethane in aprotic solvents / Efekti strukture i rastvarača na reaktivnost 2-supstituisanih nikotinskih kiselina sa diazodifenilmetanom u aprotičnim rastvaračima
(Serbian Chemical Society, Belgrade, 2012)
The rate constants for the reactions of diazodiphenylmethane (DDM) with 2-substituted nicotinic acids in nine aprotic solvents at 30°C were determined. The obtained second order rate constants in aprotic solvents were ...
Comparative analyses of the diffusion coefficients from thyme for different extraction processes / Uporedna analiza koeficijenata difuzije za različite procese ekstrakcije iz tamjana
(Serbian Chemical Society, Belgrade, 2012)
This work was aimed at analyzing the kinetics and mass transfer phenomena for different extraction processes from thyme (Thymus vulgaris L.) leaves. Different extraction processes with ethanol were studied, i.e., Soxhlet ...
A study of the antibacterial activity and stability of dyed cotton fabrics modified with different forms of silver / Ispitivanje antibakterijske aktivnosti i stabilnosti obojene pamučne tkanine modifikovane različitim formama srebra
(Serbian Chemical Society, Belgrade, 2012)
This study compares the effect of colloidal silver nanoparticles and the commercial RUCO-BAC AGP agent with silver chloride as the active component on the antibacterial activity of dyed cotton fabrics. Cotton fabrics were ...
Enzymatic synthesis of a vitamin B6 precursor / Enzimska sinteza prekursora vitamina B6
(Serbian Chemical Society, Belgrade, 2013)
3-Cyano-4-(ethoxymethyl)-6-methyl-2-pyridone, an important precursor in the synthesis of vitamin B6, is obtained in the addition reaction between 2-cyanoacetamide and 1-ethoxy-2,4-pentanedione catalyzed by lipase from ...
The substituent effects on the 13C chemical shifts of the azomethine carbon atom of N-(substituted phenyl)salicylaldimines / Efekat supstituenata na 13C hemijska pomeranja azometinskog ugljenika N-(supstituisani fenil)saliciladimina
(Serbian Chemical Society, Belgrade, 2012)
Hammett correlations between the 13C-NMR chemical shifts of the azomethine carbon atom and the corresponding substituent constants were established for thirteen Schiff bases. The successful correlation of the chemical ...
Removal of textile dyes from water by TiO2 nanoparticles immobilized on poly(epsilon-caprolactone) beads and foams
(Srpsko hemijsko društvo, Beograd, 2018)
Determination of surface coverage of iron-phosphate coatings on steel using the voltammetric anodic dissolution technique / Određivanje pokrivenosti površine čelika gvožđe-fosfatnim prevlakama anodnim rastvaranjem primenom linearne voltametrije
(Serbian Chemical Society, Belgrade, 2013)
In this study, the effect of deposition time and concentration of NaNO2 in the phosphate bath on the surface morphology of iron-phosphate coatings on low carbon steel was investigated using scanning electron microscopy ...
Physical, chemical and structural effects as important factors for the determination of thermodynamic and transport properties and the modelling of non-electrolyte solutions / Fizički, hemijski i strukturni efekti kao važni faktori za određivanje i modelovanje termodinamičkih i transportnih svojstava neelektrolitnih rastvora
(Serbian Chemical Society, Belgrade, 2013)
In our previous review, an attempt was made to relate the volumetric effects involved in binary mixtures of normal and branched alcohols. The present paper summarizes some selected research activities related to complex ...