用放射性活度计测定^(67)Ga中杂质^(66)Ga的含量  

DETERMINATION OF THE IMPURITY ^(66)Ga FROM THE ^(67)Ga WITH A RADIOACTIVITY METERS

作　　者：姜金岭[1] 常铭希 夏振民[1] 韩章淑 

机构地区：[1]中国药品生物制品检定所 [2]北京师范大学

出　　处：《原子能科学技术》1991年第4期70-73,共4页Atomic Energy Science and Technology

摘　　要：一、序言枸椽酸镓(^(67)Ga)注射液是一种诊断性放射性药物,其中核素^(67)Ga是通过加速器加速质子或氘,轰击锌靶,利用(p,xn)或(d,xn)反应产生的,伴随产物会有一些放射性杂质,如^(65)Zn,^(66)Ga等。杂质的含量与加速粒子的能量、靶材料、打靶时间等有关。^(65)Zn可经化学分离,使之少于0.1%,而^(66)Ga无法用化学方法去除。The radioactive--decay curve analysis and radioactive--decay coefficient methodare used to determine the impurity ^(66)Ga from the ^(67)Ga with a radioactivity meter.For analysed considerable specimens, it is clear that the results are consistent withthe theoretical calculation and multiple γ-spectra technique. The methods of deter-mination impurity ^(66)Ga are significant for the qualification test of the radioactivepharmaceuticals and the true dingnose of sufferers because the equipments are verysimple and it should be used in Reneral hospitals conveniently.

关 键 词：放射性活度计 杂质 镓67 镓66 

分 类 号：R981.9[医药卫生—药品]