Chinese Standard: GB/T 4414-2013

Methods of sampling and sample preparation of tungsten concentrates in bags

全国有色金属标准化技术委员会(SAC/TC 243)

本标准规定了包装黑钨精矿（钨锰铁矿、钨锰矿及钨铁矿）和白钨精矿（钨酸钙矿）的一般规定、取样、制样方法。
本标准适用于包装黑钨精矿（钨锰铁矿、钨锰矿及钨铁矿）和白钨精矿（钨酸钙矿）的化学成分和水分测定用样的采取和制备。

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