JB/T 8063.2-2011
粉末冶金材料与制品化学分析方法.第2部分:铁基材料与制品中铜的测定(氟化氢铵掩蔽-碘量法)
Methods for chemical analysis of powder metallurgy materials and products.Part 2:The ammonium hydrogen fluoride masking,iodometriy method for the determination of copper in iron-based materials and products