Purity of EBR-II sodium: 1967--1974

Technical Report · Mon Dec 01 04:00:00 EST 1975

DOI:https://doi.org/10.2172/7337182· OSTI ID:7337182

Smith, C R.F.; Holmes, J T

This report consolidates all information available on radiometric and chemical analyses made on sodium in EBR-II for 1967-1974. Systems, equipment, and techniques used for sampling the sodium are described and evaluated. The behavior of 11 radionuclides, 22 metallic impurities, and 4 nonmetallic impurities measured in EBR-II sodium during this 8-year period are shown graphically, and their trends are discussed with respect to half-life, reactor power level, cold-trap operation, and incursion of foreign material. Sodium-22, /sup 110m/Ag, /sup 113m/In, /sup 137/Cs, /sup 210/Po, and tin clearly show increasing radioactivities or concentrations since 1967. EBR-II cold traps are effective in controlling Bi, Cu, O, H, and /sup 3/H, but they are only partially effective for /sup 137/Cs and appear ineffective for /sup 131/I.

• Research Organization: Argonne National Laboratory (ANL), Argonne, IL (United States)
• DOE Contract Number: W-31109-ENG-38
• OSTI ID: 7337182
• Report Number(s): ANL-75-26
• Country of Publication: United States
• Language: English

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