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PRECONCENTRATION AND DETERMINATION OF TRACE-ELEMENTS IN FRESH-WATER AND SEA-WATER - COMPARISON OF RESULTS OBTAINED BY DIFFERENT METHODS (X-RAY-FLUORESCENCE, NEUTRON-ACTIVATION AND ATOMIC-ABSORPTION)
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FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE,
1978, 291 (04)
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SEPARATION AND X-RAY-FLUORESCENCE ANALYSIS OF DISSOLVED URANIUM FROM NATURAL-WATER BY MEANS OF CHELATING CELLULOSE ION-EXCHANGERS (NATURAL-WATER SAMPLES AS EXAMPLE)
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