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海水、海洋生物和沉积物中137Cs的测定
杨嘉东1
国家海洋局第三海洋研究所
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DETERMINATION OF Cs-137 IN SEAWATER, MARINE ORGANISMS AND SEDIMENTS
Abstract:
Cesium in marine environmental samples is concentrated and separated with AMP and chloro-platinic acid precipitation method, and the radioactivity of Cs-137 is calculated from the chemical recovery of the separated cesium and the measurement of β-ray. The chemical recovery of cesium is about 70% for 60-80 liter seawater, 98% for 1 liter seawater. The results are consistent with that of the coastal area and hay of Japan.
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