有机氚氧化燃烧制样装置的研制及应用  

Development and Application of Preparation Equipment for OBT Combustion

作　　者：杨海兰[1] 杨帆 马雄楠[1] 保莉[1] 

机构地区：[1]中国辐射防护研究院,山西太原030006 [2]山东核电有限公司,山东烟台265116

出　　处：《原子能科学技术》2016年第3期541-544,共4页Atomic Energy Science and Technology

摘　　要：研制了有机氚（OBT）氧化燃烧制样装置,该装置主要由石英管、固定和移动式管式电炉及冷凝收集器3部分组成。1次可处理环境样品40～100g,对有机氚的氧化燃烧效率高达97.4%,生成水的回收率达94.4%,氧化燃烧过程直观可视。利用该装置对四川某设施外环境采集的动植物样品中的有机氚进行了测定,其活度水平在0.16～2.71Bq/kg之间,肉类有机氚活度较高,植物类较低。The preparation equipment for OBT combustion was developed,which was made of three parts including quartz glass tube,fixed and mobile furnace and condenser collecting unit.The sample weight is 40-100 g,the efficiency of combustion for OBT is97.4%,and the water recovery is 94.4%.The equipment was applied for different biological samples collected from Sichuan Provice,such as plants and animals.The results show that the radioactivity is between 0.16-2.71Bq/kg.The radioactivity in meat sample is high and the radioactivity in plant sample is low.

关 键 词：3 H 有机氚 氧化燃烧 

分 类 号：TL812.2[核科学技术—核技术及应用]