Abstract
Four types of membrane filter have been studied with respect to trace element contamination and resistance to damage during irradiation with neutrons. Filters consisting of a teflon membrane and a polyolefin ring were low in all trace elements except zinc but failed mechanically during irradiation. Teflon filters backed with polyethylene or polypropylene were low in contamination and possessed excellent resistance to irradiation damage. Polycarbonate filters proved high in bromine and copper and became brittle during irradiation.
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References
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Burgess, D.D. Evaluation of membrane filters for instrumental neutron activation analysis of airborne particulates. J. Radioanal. Chem. 74, 253–256 (1982). https://doi.org/10.1007/BF02520375
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DOI: https://doi.org/10.1007/BF02520375