Using graphite tube coating treatment technology, based on the comparison of the improvement of several matrix modifiers, Pd-Mg (NO3) 2 (3% Pd ～ 2% Mg) was selected as the matrix modifier. Beryllium was measured, and this method was used to carry out the standardization and recovery experiment on the water samples of the Huludao Shipyard and Pingshan Water Source, and achieved satisfactory results.
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