2013GOST 32221-2013 Copper concentrates. Methods of analysis
1980GOST 15934.2-1980 Copper concentrates. Methods for determination of lead, zinc and cadmium
0000 GOST 15934.2-1970
GOST 15934.2-1980 Copper concentrates. Methods for determination of lead, zinc and cadmium was changed to GOST 32221-2013 Copper concentrates. Methods of analysis.