For citations:
Fedorova N.E., Egorova M.V., Rodionov A.S. Modern Methodological Approaches to Sample Preparation for the Determination of Trace Elements in Food Products and Plant Raw Materials. Public Health and Life Environment – PH&LE. 2021;29(8):48-54. (In Russ.) https://doi.org/10.35627/2219-5238/2021-29-8-48-54