E3S Web Conf.
Volume 98, 201916th International Symposium on Water-Rock Interaction (WRI-16) and 13th International Symposium on Applied Isotope Geochemistry (1st IAGC International Conference)
|Number of page(s)||5|
|Section||Geochemistry of Natural Waters: From Atmospheric Precipitations to Deep Brines|
|Published online||07 June 2019|
The speciation of chemical elements in water and their possible impact on human health
Institute of North Industrial Ecology Problems Subdivision of the Federal Research Centre “Kola Science Centre of the Russian Academy of Sciences” (INEP KSC RAS); 184209, Murmansk region, Apatity, Akademgorodok, 14а, Russia
2 Research Centre for Human Adaptation in the Arctic Branch of the Federal Research Centre “Kola Science Centre of the Russian Academy of Sciences” (RCHAA KSC RAS); 184209, Murmansk region, Apatity, Akademgorodok, 41а, Russia
3 Tananaev Institute of Chemistry Subdivision of the Federal Research Centre “Kola Science Centre of the Russian Academy of Sciences” (ICT KSC RAS); 184209, Murmansk region, Apatity, Akademgorodok, 26а, Russia
4 Geologikal Institute Subdivision of the Federal Research Centre “Kola Science Centre of the Russian Academy of Sciences” (GI FRC KSC RAS); 184209, Murmansk region, Apatity, Akademgorodok, 10а, Russia
* Corresponding author: email@example.com
The speciation of chemical elements in groundwaters of Apatity Kirovsky district may affect their bioavailability and toxicity. A complete hydrochemical analysis showed measurable concentrations of uranium, molybdenum, silver, barium, nickel, vanadium, aluminum, and lead, which contributed to a growing database of the chemical compositions of groundwater. Physical and chemical models showed that the vital elements calcium, sodium, potassium, magnesium and sulfate ion are in chemical forms that are favorable for human health (Ca2+, Na+, K+, Mg2+, SO42-). Forms of migration of carcinogenic or toxic elements (nickel, barium, vanadium, strontium, aluminum, lead) are among the most toxic (Ni2+, Ba2+, Sr2+) and remain so at the temperatures studied +3, +25, +37°C. One of the most insidious effects of inorganic compounds of lead, barium and strontium is the ability to replace calcium in bones isomorphically, nickel in the form of free ions (Ni2+) is 2 times more toxic than its complex compounds with inorganic and organic ligands. The results of this research can be useful in the fields of geochemistry, hydrology, ecology and medicine.
© The Authors, published by EDP Sciences, 2019
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