The document describes a chemical-physical method for the determination of Radium-226-concentration in drinking water, ground water, surface water and waste water. By adding of bariumsulphate Ra 226 will be separated and the alpha activity of the preparation can be measured with a low-level-flowcounter.
DIN 38404-18-1994由德国标准化学会 DE-DIN 发布于 1994-03。
DIN 38404-18-1994 在中国标准分类中归属于: Z50 大气、水、土壤环境质量标准。
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