In 2012, the Czech Republic was paralyzed by „The methanol affair“. Some manufacturers of alcoholic drinks at black market, to avoid of paying the high consumption tax, added methanol into the alcoholic drinks instead of ethanol due to similarity in taste and smell. By this method, they prepared...

Mr. Black is owner of a small pharmacy shop. He sells a lot of pharmacy products. In his portfolio, there is also a hydrogen peroxide solution sold as a disinfection. Sold solution should be of 3 % w/w. Nevertheless, Mr. Black is not sure, whether his supplier does not cheat and to earn more, he...

The company producing certain alcoholic beverage is suspect that they use very cheap, but non legal, dye to color their product. Unfortunately, the non-legal dye can cause, in some cases, health problems and allergic reactions. To protect costumer rights, it is necessary to analyze the beverage and...