Standards GB - Chinese national standards - Page 216

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 12: Determination of thorium and uranium contents—Inductively coupled plasma mass spectrum method

Standard published on 25.4.2024

Chemical analysis methods for non-rareearth impurities of rare earth metals and their oxides--Determination of molybdenum and tungsten content--Induct-ively coupled plasma atomic emission spectrographic method and inductively coupled plasma mass spectrum

Standard published on 18.11.2003

Chemical analysis methods of non-rare earth impurities in rare earth metals and their oxides—Part 13: Determination of molybdenum and tungsten content
Execute Date: september 2026

Standard published on 27.2.2026

Chemical analysis methods of non-rare earth impurities in rare earth metals and their oxides Determination of titanium in rare earth metals

Standard published on 13.4.2006

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxidesPart 15: Determination of calcium content

Standard published on 13.7.2018

Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides - Part 16: Determination of fluorine content - Ion selective electrode analysis

Standard published on 14.1.2011

Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides - Part 17Determination of niobium and tantalum contents of rare earth metals

Standard published on 14.1.2011

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

Standard published on 14.10.2017

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 19: Determination of arsenic and mercury contents

Standard published on 17.9.2018

Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 2: Determination of ignition loss content of rare earth oxides—Gravimetric method

Standard published on 11.9.2015