General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 11848.14-1991
Scope
This standard specifies the conditions, scope of application, reagents and instruments used, analysis procedures, calculation of analysis results and precision of the method for flame atomic absorption determination of potassium and sodium in uranium ore concentrates. This standard applies to the determination of 0.0025% to 0.3% potassium and sodium in uranium ore concentrates.
GB/T 11848.14-1991 history
1991GB/T 11848.14-1991 Determination of potassium and sodium in uranium ore concentrate by atomic absorption spectrometry