GB/T 18115.3-2006
ActiveChemical analysis methods of rare earth impurities in rare earth metals and their oxides Praseodymium-Determination of lanthanum, cerium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium contents
稀土金属及其氧化物中稀土杂质化学分析方法 镨中镧、铈、钕、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定
Application Summary AI generated
This standard specifies chemical analysis methods for determining the content of 13 specific rare earth impurities (including lanthanum, cerium, neodymium, and yttrium) in praseodymium metal and praseodymium oxide. It is applied in the metallurgical industry for quality control and purity verification of praseodymium-based materials used in permanent magnets, catalysts, and optical glass manufacturing. The standard ensures accurate impurity profiling to meet technical specifications for high-purity rare earth products in industrial production and trade.
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