Modern approaches to monitoring the content of heavy metals in marine waters
Вантажиться...
Дата
2025
Науковий керівник
Назва журналу
Номер ISSN
Назва тому
Видавець
КПІ ім. Ігоря Сікорського ; ТОВ «Українська водна спілка»
Анотація
The article describes the sources of pollution of sea water with heavy metal compounds, including copper, chromium, tin, nickel and cobalt ions, their impact on the ecosystem, as well as possible methods of detecting these pollutants. In Ukraine, before the start of hostilities, were river runoff and the discharge of insufficiently treated industrial wastewater were the main sources of heavy metal compounds entering the Black Sea and the Sea of Azov. After the start of the war, industry in the southern regions experienced a reduction in volumes, but a new source of pollution appeared, namely sunken military equipment, shells, mines, cartridges, etc. Alloys with a high content of various heavy metals are widely used in military equipment and weapons to give the alloys corrosion resistance and the necessary mechanical characteristics. With prolonged exposure to water, as a result of interaction with both the water itself and with impurities dissolved in it or existing microorganisms, metal ions are gradually leached into the water. Heavy metals not only harm marine biota, but also have the properties of bioaccumulation and biomagnification. As a result, the content of heavy metals in predatory fish and marine mammals increases significantly, and commercial fishing is threatened due to the possible non-compliance of the caught fish with sanitary and hygienic requirements. In order to timely detect and eliminate sources of pollution of marine waters with heavy metals, constant monitoring of the quality of marine waters is necessary. There are a large number of monitoring tools, including electrochemical sensors, but one of the fastest, cheapest and most convenient approaches is the use of indicator systems based on chromogenic compounds that change their color upon contact with a certain pollutant. The article considers examples of such compounds for the detection of copper, chromium, tin and nickel ions.
Опис
Ключові слова
aquatic environment, heavy metals, pollutant detection, water pollution, water quality, важкі метали, виявлення забруднювачів, водне середовище, забруднення води, якість води
Бібліографічний опис
Litynska, M. Modern approaches to monitoring the content of heavy metals in marine waters / Marta Litynska, Hrystyna Hutsul, Svitlana Kyrii // Вода і водоочисні технології. Науково-технічні вісті. – 2025. – № 2(42). – С. 35-49. – Бібліогр.: 56 назв.