本标准规定了铜矿石、铅矿石、锌矿石中钨含量的测定方法。
Methods for chemical analysis of copper ores lead ores and zinc ores.
铅锌矿石的组成十分复杂，常常赋存着各种有工业价值的有色金属元素铅、锌、铜、镍、钴、钨、钼、镉、锡；
The composition of Pb-Zn complex, often occurrence with various elements of an industrial value of non-ferrous metals lead, zinc, copper, nickel, cobalt, tungsten, molybdenum, cadmium, tin;
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