The research described in this paper is directed towards the development and application of simultaneous potentiometric stripping analysis for the determination of heavy metals (lead, cadmium and zinc) in the soil of the northern part of the territory of Kosovo and Metohija. The experiments were carried out: I) the module solution (prepared from st...

By Ljiljana Babincev, Dejan Gurešić, Aleksandra Perić -Grujić, Ljubinka Rajaković

The separation ability and retention behaviour of normal phase TLC on silica with eight nonaqueous eluents, has been studied by measuring the retention constants of a series of synthesized benzimidazoles. The separation ability and retention behaviour are discussed in terms of the nature of the solute and eluent....

By Marijana Ačanski, Đura Vujić, Jovana Brkljača

Copper Oxyl Chloride 3Cu (OH)2∙CuCl2 is dual salt of copper, chlorine, oxygen and water. It is light green salt without smell. In water and organic solutions it is insoluble while it is easily solluble in acids. It is solluble in ammonia thus building complex units. It is more instable product since it is soluted after longer exposure to air a...

By Mustafa Burgić, Amir Fazlić, Mirela Burgić - Salihović

In this paper the content of metal in drinking water was determined in two samples, one from 2008 and other from 2010, by the indirect method based on the analysis of scale, which had originally been suggested by Rajkovic and associates. Received results confirmed that drinking water according to the metal content was of constant level (metals are ...

By Miloš Rajković, Mirjana Stojanović, Maja Eremić Savković, Uroš Lačnjevac, Dragan Tošković

Reduction of fossil - iscrpljivih, but also non-renewable, fuels and increased concentrations of greenhouse gases on a global scale, have led to rapid development of alternative energy sources, resulting in the use of solar energy occupies an important role in the production of energy from renewable sources. The paper presents the system and method...

By Velimir Šćekić

For the prediction of formation of non-ferrous processing and accumulating waste both model of balancing and model of correlation and regression analysis can be employed, while the dynamic model can be applied only for the accumulating waste. Estimates of the formation of certain type of metallic secondary raw materials in model of balancing are ba...

By Miroslav Sokić, Ilija Ilić, Zvonko Gulišija, Željko Kamberović, Nada Štrbac, Vaso Manojlović

This paper presents the results of tests perception of business environment and barriers to business by attitudes of entrepreneurs in local communities. It is well known that general region of the Balkan countries, is faced with the problem of the lack of investment as well as domestic and foreign direct investment. One of the major causes of cours...

By Mitar Perušić, Miladin Gligorić, Radislav Filipović

Classification of fuel cells is presented. Progress in low temperature fuel cells fueled by hydrogen, methanol and formic acid is discussed and the possible future use of fuel cells is indicated. Ethanol is a special fuel because it is available from renewable environmentally friendly sources and its oxidation product (CO2) can be transformed by ph...

By Andrzej Kowal, Dragica Chamovska, Milovan Jotanovic, Maciej Kopczyk

Srem sausage belongs to the group of durable delicatessen products whose production is known since a long time ago. It is produced by selected recipe at precisely determined tehnical characteristics of the maturation chamber. The change of relative humidity, air temperature during the maturation and changes of pH values in the stuffing mass has bee...

By Vangelica Jovanovska, Aco Kuzelov

Providing quality in a business company is a matter related not only to the work done by individuals, but also with machines and the technology of the production processes as well. Therefore, it is necessary to provide statistical control in terms of estimating both the stability and the capability of production processes as well. However, control ...

By Elizabeta Mitreva, Oliver Filipovski