国标标准：GB/T 20424《重金属精矿产品中有害元素的限量规范》

本标准规定了重金属精矿产品中所含有害素的限量及检测方法。本标准适用于重金属精矿产品。

This standard specifies the limit on the content of harmful elements in heavy metal concentrates products and their assay methods. This standard is applicable to heavy metal concentrates products.

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