Scientific Journals Promotion | City of Niš

The Cultural Center of Niš has organized a promotion event for scientific and popular-scientific journals of the University of Niš. The event took place on Saturday 7th, 2019 at the Čair Sports Center, also known as Čair Hall, alongside Book Fair that was going on at the time. There were representatives of around forty academic journals at the event, among which, our team was one of a few newcomers.

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Mineral composition of soil from the urban area of Niš
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Mineral composition of soil from the urban area of Niš

In order to determine the mineral composition of the soil from the urban area in the City of Niš, a team of researchers from the University of Niš, Faculty of Sciences and Mathematics, Department of Chemistry, have collected 15 soil samples near the city roads and analyzed them. Fourteen metals and four soil chemical characteristics were determined in the paper.

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Virtual Analytical Chemistry Software

When one thinks of chemistry, the first thing that pops inside his/her head is the mental image of a chemical laboratory or similar environment. Giving the fact that chemistry is primarily a practical science, lab work is the inevitable part of chemical education. However, the majority of elementary schools and high schools in Serbia usually do not possess the necessary resources (e.g., space, glass, chemicals) to provide their pupils with deserved practical work in order to gain elementary lab skills.

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The Ethane-Eating Bacteria
Bacteria (illustrated)/Pixabay

The Ethane-Eating Bacteria

Ethane is the second most abundant component of natural gas, right after methane, and it is found deep underground and in marine gas deposits around the world. Research studies have shown that these two components—along with propane and butane—are being oxidized into carbon dioxide. Bacteria that convert methane, propane, and butane are already known, but it was unclear how ethane is degraded in the absence of oxygen, until now.

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Titrimetric Analysis
Photo Credit: Sinhyu/iStock/GettyImages

Titrimetric Analysis

Analytical methods based on volume measuring are named titrimetric or volumetric methods. In titrimetric analyses, we add a reagent of exactly known concentration to a solution of analyzed compound until they completely react – a process called titration. They are highly accurate and precise, rapid and nowadays automated.

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