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U.S. Department of Energy
Office of Scientific and Technical Information

Evaluation of N-Reactor piping decontamination procedure for effectiveness and materials corrosion

Technical Report ·
DOI:https://doi.org/10.2172/10120753· OSTI ID:10120753
The effectiveness and corrosion characteristics of Turco 4512-A, an inhibited phosphoric acid, are being evaluated for N-Reactor primary system carbon steel decontamination by in-reactor decontamination tests, full scale component evaluations, and laboratory corrosion tests. To date these tests have showed that the decontamination procedure is effective for carbon steel decontamination and safe for all primary system materials that will be contacted by the solution. A few materials, namely, 17-4 pH SS, 416 SS, 420 SS, and Easy-Flo 45 braze alloy have not yet been completely tested. Results of their performance will be reported prior to full reactor decontamination.
Research Organization:
Douglas United Nuclear, Inc., Richland, WA (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
AC06-76RL01830
OSTI ID:
10120753
Report Number(s):
DUN--2938; ON: DE95007417
Country of Publication:
United States
Language:
English