Претраживање
Приказ резултата 31-40 од 445
Kinetic study of the reaction between sodium chloroacetate and potassium ethylxanthogenate / Kinetička ispitivanja reakcije između natrijum-hloracetata i kalijum-etil-ksantata
(Serbian Chemical Society, Belgrade, 2007)
The reaction kinetics of the synthesis of sodium ethyl xanthogeneacetate from potassium ethylxanthogenate and sodium chloroacetate in distilled water as the reaction medium at 25, 30, 35 and 40°C, were investigated. The ...
Alkylation of N-substituted-2-phenylacetamides / Alkilovanje n-supstituisanih 2-fenilacetamida
(Serbian Chemical Society, Belgrade, 2004)
Various N-substituted phenylacetamides were alkylated using different alkylating agents under neutral and basic conditions. Reactions were performed at different reaction temperatures and in various solvents. Also, a number ...
Investigation of the reactivity of 4-pyrimidinecarboxylic, 6-hydroxy-4-pyrimidinecarboxylic and 5-hydroxyorotic acids with diazodiphenylmethane in various alcohols: Part III / Ispitivanje reaktivnosti 4-pirimidinkarboksilne, 6-hidroksi-4-pirimidinkarboksilne i 5-hidroksiorotinske kiseline sa diazodifenilmetanom u različitim alkoholima
(Serbian Chemical Society, Belgrade, 2007)
Rate constants for the reaction of diazodiphenylmethane (DDM) with 4-pyrimidinecarboxylic, 6-hydroxy-4-pyrimidinecarboxylic and 5-hydroxyorotic acids were determined in twelve protic solvents at 30 °C using the well known ...
Optimization of the production of biodiesel by a commercial immobilized lipase in a solvent-free system using a response surface methodology / Optimizovanje postupka proizvodnje biodizela komercijalnom lipazom u sistemu bez organskog rastvarača primenom metodologije odzivnih površina
(Serbian Chemical Society, Belgrade, 2008)
Response surface methodology was used for the evaluation of the effects of various factors on the synthesis of biodiesel catalyzed with immobilized lipase from Rhizomucor miehei in a solvent-free system. The production of ...
The thermal stability of poly(methyl methacrylate) prepared by RAFT polymerisation / Termička stabilnost poli(metil metakrilata) sintetisanog RAFT polimerizacijom
(Serbian Chemical Society, Belgrade, 2008)
Poly(methyl methacrylate), PMMA, was prepared by reversible addition-fragmentation chain transfer, RAFT, polymerisation using 2-(2-cyanopropyl)-dithiobenzoate, CPDB, as the RAFT agent. The thermal stability of the resulting ...
Effects of solvent and structure on the reactivity of 6-substituted nicotinic acids with diazodiphenylmethane in aprotic solvents / Uticaj rastvarača i strukture na reaktivnost 6-supstituisanih nikotinskih kiselina sa diazodifenilmetanom u aprotičnim rastvaračima
(Serbian Chemical Society, Belgrade, 2009)
The rate constants for the reactions of diazodiphenylmethane (DDM) with 6-substituted nicotinic acids in aprotic solvents at 30°C were determined. The obtained second order rate constants in aprotic solvents, together with ...
The structure of bright zinc coatings / Struktura sjajnih prevlaka cinka
(Serbian Chemical Society, 2000)
The structures of bright zinc coatings obtained from acid sulfate solutions in the presenceof dextrin/salicylaldehyde mixture were examined. It was shown by the STM technique that the surfaces of bright zinc coatings are ...
Wall-to-liquid mass transfer in fluidized beds and vertical transport of inert particles / Prenos mase zid-fluid u fluidizovanim slojevima i pri vertikalnom transportu inertnih čestica
(Serbian Chemical Society, Belgrade, 2007)
Mass transfer coefficients in single phase flow, liquid fluidized beds and vertical hydraulic transport of spherical inert particles were studied experimentally using 40 mm and 25.4 mm diameter columns. The mass transfer ...
Influence of N doping on structural and photocatalytic properties of hydrothermally synthesized TiO2/carbon composites
(Journal of the Serbian Chemical Society, 2023)
Abstract: N-doped TiO2/carbon composites (TiO2/CN) with different nitrogen content, were obtained starting from titanium isopropoxide and glucose, and by varying the amount of melamine, added to starting reaction mixture. ...
Molecular interaction studies of the volumetric behavior of binary liquid mixtures containing alcohols / Studija molekulskih interakcija na bazi volumetrijskih svojstava tečnih binarnih smeša koje sadrže alkohole
(Serbian Chemical Society, Belgrade, 2009)
An attempt has been made to relate the volumetric effects involved in the binary mixtures of normal and branched alcohols and various components (aromatics, halo and nitroaromatics and haloaliphatics) with the molecular ...