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NEN 5697 : 2001
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RADIOACTIVITY MEASUREMENTS - DETERMINATION OF THE NATURAL RADIOACTIVITY IN DENSE BUILDING MATERIALS BY MEANS OF SEMICONDUCTOR GAMMA-RAY SPECTROMETRY
12-01-2013
Describes a method for the determination of the natural radioactivity in dense materials by means of semiconductor gamma spectrometry and contains sampling, preparation of samples, preparation of counting samples and the execution of the test and the processing of the results.
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