Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. XIV
Written by Nina-Nicoleta LAZĂR, Mădălina CĂLMUC, Ira-Adeline SIMIONOV, Maxim ARSENI, Mihaela TIMOFTI, Puiu-Lucian GEORGESCU, Cătălina ITICESCU, Violeta DOMNITEANU
This study aimed to analyze the concentrations of iron (Fe), copper (Cu), and zinc (Zn) in pontic shad (Alosa immaculata) and assess the influence of factors such as capture year, length, and weight on these concentrations. Fish samples were collected during the 2023 and 2024 fishing seasons. After recording the length and weight of each specimen, the muscle underwent acidic digestion. The concentrations of Fe, Cu, and Zn were then determined using a Total Reflection X-ray Fluorescence (TXRF) spectrometer. The results revealed an overall increase in chemical elements concentrations from 2023 to 2024. While Cu levels showed no correlation with length or weight, Fe and Zn exhibited strong correlations with these parameters.
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