For citations:
Demchenko Yu.A., Tsikunib A.D. Determination of heavy metals in sunflower seeds by atomic absorption spectroscopy based on fractional mineralization. Proceedings of the Voronezh State University of Engineering Technologies. 2018;80(3):164-169. (In Russ.) https://doi.org/10.20914/2310-1202-2018-3-164-169