燃烧制样法测定牛奶中的氚  

Measurement of tritium in milk by the combustion sample preparation method

作　　者：赵克俭[1] 马斌[1] 

机构地区：[1]中国科学院生物物理研究所

出　　处：《核技术》1991年第4期249-252,共4页Nuclear Techniques

摘　　要：本文用燃烧法研究了牛奶中氚的测量方法,使用自制的简单石英燃烧装置和HR-1型蜂窝状燃烧催化剂。用低本底液体闪烁仪进行测量。以水和氚放射性回收率验证该燃烧器的性能。牛奶中水回收率为98.6±1.5％。氚水和有机氚的回收率相一致,都在97％左右。The measurement of tritium in milk by means of the combustion sample preparation is described. The sample was prepared in a simple quartz combustion apparatus and Model HR-1 honeycomb combustion catalyst was used. 3H was measured in a low-background liquid scintillation counter. The efficiency of the combustion apparatus was evaluted b> recoveries of water and tritium. The recovery of water from milk was about 98.6% while the recovery of tritium from water or organism was equal to about 97%.

关 键 词：燃烧法 制样 牛奶 氚 测定 

分 类 号：TS252.2[轻工技术与工程—农产品加工及贮藏工程]