引用本文:	杨嘉东.海水、海洋生物和沉积物中¹³⁷Cs的测定[J].海洋科学,1984,8(3):30-33.

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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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