BS EN ISO 11704:2018规定了使用液体闪烁计数（LSC）测定α和β放射性核素总α和总β放射性浓度的方法。交叉引用:ISO 5667-3ISO 3696ISO 5667-1ISO/IEC 17025ISO 80000-10ISO 5667-20ASTM D7283-17ISO 11929IAEA GSG-2ISO 9696ISO 5667-6:2014ISO 5667-11:2009ISO 5667-8:1993（R04）ISO 5667-14:2014ISO 5667-7:1993（R04）ISO 5667-4:2016ISO 5667-10:1992（R04）ISO 5667-5:2006购买本文件时可提供的所有现行修订版。

BS EN ISO 11704:2018 specifies a method for the determination of gross alpha and gross beta activity concentration for alpha- and beta-emitting radionuclides using liquid scintillation counting (LSC).Cross References:ISO 5667-3ISO 3696ISO 5667-1ISO/IEC 17025ISO 80000-10ISO 5667-20ASTM D7283-17ISO 11929IAEA GSG-2ISO 9696ISO 5667-6:2014ISO 5667-11:2009ISO 5667-8:1993 (R04)ISO 5667-14:2014ISO 5667-7:1993 (R04)ISO 5667-4:2016ISO 5667-10:1992 (R04)ISO 5667-5:2006All current amendments available at time of purchase are included with the purchase of this document.