GB/T 8208-2007
ActiveDetermination of gallium in coal
煤中镓的测定方法
Application Summary AI generated
This standard specifies the method for determining the gallium content in coal, primarily using spectrophotometry or atomic absorption spectrometry after sample ashing and acid digestion. It is applied in the coal mining and processing industry for resource evaluation, quality control, and assessing the potential for gallium recovery from coal and coal combustion by-products.
Related Standards
GB/T 1819.6-2004
Methods for chemical analysis of tin concentrates--Determination of antimony content--The malachite green spectrometric method and the flame atomic absorption spectrometric method
GB/T 19494.3-2004
Mechanical sampling of coal--Part 3:Determination of precision and bias test
GB/T 19494.2-2004
Mechanical sampling of coal--Part 2:Method for sample preparation
GB/T 19494.1-2004
Mechanical sampling of coal--Part 1:Method for sampling
GB/T 15224.1-2004
Classification for quality of coal--Part 1:Ash
GB/T 15224.2-2004
Classification for coal quality--Part 2:Sulfur content
GB/T 15224.3-2004
Classification for coal quality--Part 3:Calorific value
GB/T 215-2003
Determination of forms of sulfur in coal
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.