标准编号：ISO 13166:2014
中文名称：水质-铀同位素 使用阿尔法-光谱仪进行的测试方法
英文名称：Water quality — Uranium isotopes — Test method using alpha-spectrometry
发布日期：2014-03
标准范围
This International Standard specifies the conditions for the determination of uranium isotope activityconcentration in samples of environmental water (including sea waters) using alpha-spectrometry and232U as a yield tracer. A chemical separation is required to separate and purify uranium from a testportion of the sample.Plutonium isotopes can interfere, if present, with detectable activities in the sample.The detection limit for measurement of a test portion of about 500 ml is approximately 5 mBq · l?1 witha counting time of about 200 000 s.
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