Factor for converting parts per million (ppm) of U, Th and K into Bq kg of U-238, Th-232 and K-40

This data describes the calculation of the factors to transform the ppm of K, U and Th into Bq/kg of K-40, U-238 and Th-232 through their nuclear data. The Excel Spreadsheet shows the different operations with the expressions described in the PDF fill.

本数据集详细阐述了将K、U和Th的ppm浓度转化为K-40、U-238和Th-232的Bq/kg活度系数的计算过程，涉及核数据。Excel电子表格中展示了依据PDF文档所述的各式运算表达式所进行的不同操作。