RADIOISOTOPE AND RADIATION APPLICATIONS. Quarterly Progress Report

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Results of the final dynamic experiments with the ironremoval process model using Fe/sup 59/ indicated that the intrinsic-radiotracer method is rapid, accurate, and suitable for continuous readout. Results from both static and dynamic experiments on the use of Mn/sup 54/ to aid in removing manganese from process water indicated that intrinsic radiotracers can be used to help remove low-concentration critical impurities. One phase of the hazards evaluation was concerned with the ingestion of radiotracer residues which might arise from corrosion of radiotracer-containing steel products. It was concluded that no hazard exists from this source. Another part of the hazards study ... continued below

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Pages: 38

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Sunderman, D.N., ed. May 2, 1961.

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Description

Results of the final dynamic experiments with the ironremoval process model using Fe/sup 59/ indicated that the intrinsic-radiotracer method is rapid, accurate, and suitable for continuous readout. Results from both static and dynamic experiments on the use of Mn/sup 54/ to aid in removing manganese from process water indicated that intrinsic radiotracers can be used to help remove low-concentration critical impurities. One phase of the hazards evaluation was concerned with the ingestion of radiotracer residues which might arise from corrosion of radiotracer-containing steel products. It was concluded that no hazard exists from this source. Another part of the hazards study was concerned with the technical hazards to sensitive industries which might use steel containing radiotracer residues. This area is the most sensitive one encountered in the study. The study of the mechanism of formation of free radicals in polymeric materials was continued. Emphasis was placed on examination of the effect of structural factors on the efficiency of free-radical site formation, especially in acrylate polymers. An initial investigation of the effect of polymer tacticity was completed using polypropylene. The influence of molecular mobility on site formation in polymethylacrylate was established. Measurements of the volatile products from irradiation of the polymers was completed. The concentration of free-radical sites determined for each of these polymers from the volatile-product data agreed reasonably well with that found by means of electron paramagnetic resonance. Preliminary studies were initiated to develop safety performance criteria for sealed sources and to determine the applicability of standard test procedures employed in other industries. (auth)

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Pages: 38

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  • Other Information: Orig. Receipt Date: 31-DEC-61

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  • Report No.: BMI-X-173
  • Grant Number: W-7405-ENG-91
  • Office of Scientific & Technical Information Report Number: 4020805
  • Archival Resource Key: ark:/67531/metadc865618

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • May 2, 1961

Added to The UNT Digital Library

  • Sept. 16, 2016, 12:32 a.m.

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  • Dec. 6, 2016, 6:14 p.m.

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Sunderman, D.N., ed. RADIOISOTOPE AND RADIATION APPLICATIONS. Quarterly Progress Report, report, May 2, 1961; Columbus, Ohio. (digital.library.unt.edu/ark:/67531/metadc865618/: accessed October 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.