This standard specifies a rapid detection method for the specific activity of radionuclides radium 226, thorium 232, and potassium 40 in natural stone. This standard is applicable to the determination of the specific activity of radionuclides radium 226, thorium 232, and potassium 40 in natural stone.
SN/T 3813-2014 history
2014SN/T 3813-2014 Rapid determination of radionuclides for natural stone