General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 16484.23-2009
Scope
This part of GB/T 16484 specifies the method for the determination of acid-insoluble matter in light rare earth carbonate. This section applies to the determination of acid-insoluble matter in light rare earth carbonate. Test range: 0.010% to 0.50%.
GB/T 16484.23-2009 history
2009GB/T 16484.23-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate.Part 23:Determination of acid insoluble substance in light rare earth carbonate.Gravimetry