GB/T 12690.17-2010 Active National standards

GB/T 12690.17-2010 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

Publish Date: 2011-01-14 Implement Date: 2011-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 12690.17-2010

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Analysis methods for rare metals and their alloys

ICS Name: Other non-ferrous metals and their alloys

Publish Date: 2011-01-14

Implement Date: 2011-11-01

Pages: 9 pages

Scope

The method 1 in GB/T 12690 specifies the determination method for the content of niobium and tantalum in a single rare earth metal.
Method 1 in this part is applicable to the determination of the content of niobium and tantalum in a single rare earth metal. The determination range is: niobium 0.010%~0.50%; tantalum 0.020%~0.50%.