Prezentul standard stabile?te metodele de determinare a con?inutului de oxid de aluminiu din minereuri ?i concentrate de cupru, plumb, zinc, bismut, molibden, pirit? ?i sulfuri complexe ?i anume :
—-metoda complexometric?, pentru con?inuturi de la 0,
STAS 1269/16-1982 history
1982STAS 1269/16-1982 COPPER, LEAD, ZINC, BISMUTH, MOLYBDENUM, PYRITE AND COMPLEX SULPHIDE ORES AND CONCENTRATES Determination of aluminium oxide content