Chemical analysis methods for rare earth waste residue and waste water Part 3:Determination of weak radioactivity(total activity of a and ß)
将水样酸化使之稳定,蒸发浓缩,转化为硫酸盐,再经 350°C灼烧。将准确称量的废渣或废水残渣灼烧后固体粉末样品转至样品盘,用a 、β弱放射性测量仪测定其a 、β计数,计算总(a +β)活度.
发布时间:
2017-10-14
实施时间:
2018-05-01
阅读数量:
(311)