Standard No.:	GB/T 12690.17-2010
English Name:	Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides—Part 17:Determination of niobium and tantalum contents of rare earth metals
Chinese Name:	稀土金属及其氧化物中非稀土杂质化学分析方法　第17部分：稀土金属中铌、钽量的测定
Chinese Classification:	H14    Rare metals and their alloys analysis method
Professional Classification:	GB    National Standard
ICS Classification:	77.120.99 77.120.99    Other non-ferrous metals and their alloys 77.120.99
Issued by:	AQSIQ; SAC
Issued on:	2011-1-14
Implemented on:	2011-11-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	6000 words
Price(USD):	180.00
Delivery:	via email in 1~3 business day

GB/T12690的本部分方法1规定了单一稀土金属中铌、钽含量的测定方法。
本部分方法1适用于单一稀土金属中铌、钽含量的测定。测定范围:铌0.010% ~0.50%;钽0.020%~0.50%。