Chemical properties of sea water : bachelor thesis

Jadransko more spada u plitko, poluzatvoreno more koje je jako osjetljivo na razne promjene u morskom okolišu. Veliku ulogu u promjeni svojstava (onečišćenja) ovog akvatorija imaju ljudske aktivnosti koje kontinuirano dovode do onečišćenja morskog ekosustava, zatim klimatske promjene i sve izraženiji razvoj industrije na moru. Stanje kakvoće Jadranskog mora je važno pratiti zbog gospodarske uporabe mora, zaštite zdravlja ljudi te održavanja biološke raznolikosti. Tema ovog rada je prikaz i opis najčešće određivanih pokazatelja Jadranskog mora i konkretni prikaz analiza uzoraka mora prikupljenih na području Splita. Uz standardne pokazatelje kao što su temperatura i praćenje razina mora, rad se bavi prikazom i načinom određivanja kloriniteta, saliniteta, sadržaja otopljenog kisika te sadržajem kalcija i magnezija.The Adriatic Sea is a shallow, semi-enclosed sea that is very sensitive to various changes in the marine environment. Human activities that continuously lead to pollution of the marine ecosystem, climate change and the increasingly pronounced development of the marine industry play a major role in changing the properties (pollution) of this area. The quality of the Adriatic Sea is important to monitor for the economic use of the sea, the protection of human health and the maintenance of biological diversity. The topic of this thesis is the presentation and description of the most frequently determined indicators of the Adriatic Sea, and a concrete presentation of the sea samples analysis collected in the area of Split. In addition to the usual indicators such as temperature and monitoring of sea levels, the thesis deals with the presentation and methods of determining chlorinity, salinity, the amount of dissolved oxygen and the content of calcium and magnesium