【摘要】 应用元素Ｓｅ为起始物质，经两步化学反应制备了ＣｄＳｅ。对其组成进行了化学分析，对晶体作了Ｘ射线衍射鉴定。用从高放废液１ＡＷ中分离的７９Ｓｅ合成ＣｄＳｅ（７９Ｓｅ），并作为样品的化学形式成功地用于加速器质谱法测定７９Ｓｅ半衰期的工作中更多还原

【Abstract】 hrough twostep chemical reactions,CdSe is synthesized using element Se as starting material.The chemical composition and crystal structure of CdSe prepared are determined with chemical analysis and Xray diffraction method.79Se separated from high level radioactive liquid waste is used for preparing CdSe(79Se).As sample material,CdSe(79Se) has been used successfully in AMS for the determination of 79Se halflife.更多还原