U.S. Department of Energy Presentation_name Getting Representative Aliquots Two / U.S. Department of Energy Presentation_name Activity Fractions for 051306-Unat U-235 / U.S. Department of Energy Presentation_name Getting Representative Aliquots / U.S. Department of Energy Presentation_name / U.S. Department of Energy Add HNO3 / U.S. Department of Energy / /