Prezentul standard stabile?te metodele de determinare a con?inutului de germaniu din minereuri ?i concentrate de cupru, plumb, zinc, bismutj molibden, pirit? ?i sulfuri complexe.
STAS 1269/19-1986 history
1986STAS 1269/19-1986 COOPER, LEAD, ZINC, BISMUTH, MOLIBDENUM, PYRITE AND COMPLEX SULPHIDE ORES AND CONCENTRATES Determination of germanium content