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Detrimental Element Analysis of Non-Metallic Materials Used in Nuclear Reactors

From M+P Labs

Metals and anions that initiate or accelerate corrosion are of concern in evaluating the suitability of a non-metallic material for use in a nuclear reactor environment. This paper describes several analysis techniques for measuring concentrations of these detrimental elements. Chemical analysis for halogens, sulfur, and low-melting point metals by ASTM D129, E144 and D3761, using oxygen bomb or water leaching preparation with ion chromatography (IC) and inductively-coupled plasma (ICP) optical emission spectroscopy (OES or AES) is described. Some independent testing laboratories are approved for testing materials for use in nuclear safety-related applications. Guidelines are offered for selecting a suitable lab, whose quality and reporting standards must be in compliance with 10 CFR 50 Appendix B and 10 CFR Part 21 federal requirements.

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