GB/T 20170.2-2006
ActiveTest method of physical characters of rare earth metals and compounds Determination on specific surface area of rare earth compounds
稀土金属及其化合物物理性能测试方法 稀土化合物比表面积的测定
Application Summary AI generated
This standard specifies the method for determining the specific surface area of rare earth compounds, such as oxides and carbonates, using the BET gas adsorption technique. It is applied in the metallurgy and materials industries for quality control and performance evaluation of rare earth powders used in catalysts, phosphors, and advanced ceramics. The test ensures consistent particle characteristics critical for downstream processing and application performance.
Related Standards
GB/T 5153-2003
Designation and composition of wrought magnesium and magnesium alloys
GB/T 12690.10-2003
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of phosphorus content by molybdenum blue spectrophotometric method
GB/T 12690.4-2003
Chemical analysis methods for non-rare earth impurities ofrare earth metals and their oxides--Determination of oxygen and nitrogen content--Impulse-infrared and impulse-thermal conductance absorption method
GB/T 12690.13-2003
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
GB/T 12690.12-2003
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of thorium content--Arsenazo III spectrophotometric method and inductively coupled plasma mass spectrum method
GB/T 12690.11-2003
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of magnesium content--Flame atomic absorptionspectrometric method
GB/T 12690.5-2003
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of Al、Cr、Mn、Fe、Co、Ni、Cu、Zn、Pb content by inductively coupled plasma atomic emission spectrographic method--Determination of Co、Mn、Pb、N
GB/T 12690.6-2003
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of iron content--Kalium thiocyanate，1，10-phenanthroline spectrophotometric method
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