Determination of 226Ra and 228Th in food, soil, and biological ash by multidimensional coincident gamma-ray spectrometry.
D005507:Food Contamination, Radioactive / Q000032:analysis*; D011834:Radiation Monitoring / Q000295:instrumentation; D011883:Radium / Q000032:analysis*; D012987:Soil / Q000032:analysis*; D013051:Spectrometry, Gamma; D013910:Thorium / Q000032:analysis*
D012987:Soil; D013910:Thorium; D011883:Radium