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Design and optimization of purification procedure for biodiesel washing
(Association of the Chemical Engineers of Serbia, 2009)
Almost complete methanolysis of triglycerides is usually not enough to fulfil the strict standards of biodiesel quality. A key step in this process is neutralization of alkali (catalyst) followed by the washing procedure ...
Optimization of the procedure for the synthesis of calcium lactate pentahydrate in laboratory and semi-industrial conditions / Optimizacija postupka sinteze kalcijum-laktat pentahidrata u laboratorijskim i poluindustrijskim uslovima
(Association of Chemical Engineers of Serbia, 2009)
This paper is concerned on the development of the optimal laboratory procedure for the synthesis of calcium lactate pentahydrate and the application of obtained results in a project for a semi-industrial installation for ...
The optimization of zinc dialkyldithiocarbamates synthesis and determination of their antioxidant activity
(Association of the Chemical Engineers of Serbia, 2008)
A two-step optimized laboratory synthetic method of zinc dialkyldithiocarbamates is presented. In the course of the first phase, a sodium salt of dialkyldithiocarbamic acid has been synthesized from the dialkylamines, ...
Corrosion behavior of magnesium, aluminum and zinc as anodic materials in chloride based electrolytes for use in primary and secondary electrochemical power sources
(Elsevier Sci Ltd, Oxford, 2009)
Corrosion behavior of magnesium, aluminum and zinc in 0.2 mol dm(-3) NH4Cl; 0.1 mol dm(-3) NH4Cl with addition of 0.1 mol dm(-3) Na-citrate and corrosion behavior of zinc in 0.3 mol dm-3 NH4Cl with addition of 0.8 mol ...
Effect of hydrogels based on 2-hydroxyethyl methacrilate to chemiluminescent activity of rat peritoneal macrophages / Efekat hidrogelova na bazi 2-hidroksietil metakrilata na hemiluminescentnu aktivnost peritonealnih makrofaga pacova
(Savez inženjera i tehničara Srbije, Beograd, 2007)
The aim of this study was to examine the effect of hydrogels different chemical construction and synthesized under different conditions, to oxidative activity of rat peritoneal macrophages. The hydrogels are synthesized ...
Physico-chemical characterization and antibacterial-activity of copper(II), zinc(II) and nickel(II) complexes with 2-methylbenzimidazole / Fizičko-hemijska karakterizacija i antibakterijska aktivnost bakar(II), cink(II) i nikal(II) kompleksa sa 2-metilbenzimidazolom
(Faculty of Technology, Novi Sad, 2001)
Chlorides and nitrates of copper(II), zinc(II) and nickel(II) react with 2-methylbenzimidazole to give complexes of the type [MX2(H2O))n(L).nH20 or [MX2(H2O)n(L)n]-nEtOH(M=Cu, Zn or Ni; X=Cl or NO3; L-=2-methylbenzimidazole; ...
The thermal degradation of poly(di-itaconates) / Termička degradacija poli(di-itakonata)
(Association of Chemical Engineers of Serbia, 2000)
The thermal degradation of poly(di-itaconates) is discussed with special emphasis on the Influence of the nature of the ester substituent. It was established that the following reactions occur during the thermal degradation ...
Have you ever thought about mole and its place in the international system of units? / Da li ste ikada razmišljali o molu i njegovom mestu u međunarodnom sistemu jedinica?
(Srpsko hemijsko društvo, Beograd, 2000)
A short historical review of measuring and units has been given in the first part of this paper. The most attention has been paid to the decimal metric system and to the development of International system of units (SI). ...
Problems and prospect of Al-Mg alloys application in marine constructions
(Savez inženjera metalurgije Srbije, Beograd, 2006)
The position of steel as the most widely used material in the shipbuilding industry originates from the superior mechanical properties and low manufacturing costs The increasing demands for lowering the weight of different ...
Failure analysis of rotary screw pump / Analiza havarije rotacione vijčane pumpe
(Society for Structural Integrity and Life, Institute for Material Testing, 2009)
A case study of damage of a rotary high-pressure three screw oil hydraulic pump for regulator oil in hydroelectric power plant is presented. Results of chemical composition analysis, mechanical properties, impact energy ...