TY JOUR TI ISSLEDOVANIE POChV METODOM ATOMNO-ABSORBCIONNOJ SPEKTROMETRII NA SODERZhANIE TYaZhELYH METALLOV (Zn, Pb, Cd, Cu) KW JO From Chemistry Towards Technology Step-By-Step AU Kostoeva, A.I. AU Evloeva, A.Y. AU Aktalieva, A.G. PY 2024 IS 5 PB Yaroslavl State Technical University