GB/T 12690.18-2017 Active National standards

GB/T 12690.18-2017 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 18:Determination of zirconium content

Publish Date: 2017-10-14 Implement Date: 2018-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 12690.18-2017

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: 2017-10-14

Implement Date: 2018-05-01

Pages: 8 pages

Scope

This part of GB/T 12690 specifies the determination method for the zirconium content in rare earth metals and their oxides. This part is applicable to the determination of zirconium content in rare earth metals and their oxides, and includes two methods: Method 1, inductively coupled plasma emission spectrometry; Method 2, inductively coupled plasma mass spectrometry. The determination range of Method 1 is >0.010% to 0.20%; the determination range of Method 2 is 0.000 5% to 0.010%.