Prezentul standard stabile?te metodele de determinare a con?inutului de oxid de calciu ?i de oxid de magneziu din minereuri ?i concentrate de cupru, plumb, zinc, bismut, molibden, pirit? ?i sulfuri complexe ?i anume :
— metoda spectrofotometric? prin ab
STAS 1269/17-1982 history
1982STAS 1269/17-1982 COPPER, LEAD, ZINC, BISMUTH, MOLYBDEN, PYRITE AND COMPLEX SULPHIDE ORES AND CONCENTRATES Determination of calcium oxide and magnesium oxide content