该方法基于酸化样品以使其稳定、蒸发至几乎干燥、转化为硫酸盐形式并在350°C下点火、将一部分残留物转移到planchette并在盖革计数组件中计数β活性。涵盖最大β能量高于0.3 MeV的非挥发性β放射性核素。适用于原水和饮用水的分析。

The method is based on acidifying the sample to stabilize it, evaporation almost to dryness, conversion to the sulfate form and ignition at 350 °C, transfer of a portion of the residue to a planchette and counting beta-activity in a Geiger counting assembly. Covers non-volatile beta-active radionuclides with maximum beta energies higher than 0,3 MeV. Applies to the analysis of raw and potable waters.