German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of the specific residual beta activity in sludge, sediment and suspended matter (S 15)
德国水、废水和污泥检验标准方法；污泥和沉积物（S组）；污泥、沉积物和悬浮物中比残留β活性的测定（S 15）
1990-06-01
DIN 38414-15-DRAFT
Draft Document - German standard methods for the examination of water, waste water and sludge - Sludge and sediments (group S) - Part 15: Determination of the specific residual beta activity a<(Index)R>in sludge, sediment and suspended matter (S 15)
文件草案-水、废水和污泥检验的德国标准方法-污泥和沉积物（S组）-第15部分:污泥、沉积物和悬浮物（S 15）中比残留β活性a的测定