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Download or read book Calibration of Plutonium NDA by Calorimetric Assay written by and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The calorimetric assay of plutonium is an established and documented technique used extensively in DOE facilities for accountability measurements. Multilaboratory studies have quantified an average bias of
Download or read book Traceability of the Nondestructive Assay of Plutonium Using Calorimetry for Measurement Control written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Calorimetry provides a method to establish the traceability of the nondestructive assay (NDA) of plutonium utilizing the traceability of calorimetric assay and its relative insensitivity to sample matrix. Efforts at Mound Laboratory to establish the traceability of the calorimetric assay of plutonium are described. Results from the Plutonium Metal Exchange Program and a calibration alternatives experiment are the basis for determining the bias between calorimetric assay and chemical assay. The probable cause of the bias is identified. Current uses of calorimetric assay for NDA measurement control and extension of calorimetry to dynamic calibration of NDA are discussed.
Author : American National Standards Institute
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (312 download)
Download or read book American National Standard Calibration Techniques for the Calorimetric Assay of Plutonium-bearing Solids Applied to Nuclear Materials Control written by American National Standards Institute and published by . This book was released on 1975 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : American National Standards Institute
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (192 download)
Download or read book American National Standard for Nuclear Materials written by American National Standards Institute and published by . This book was released on 1987 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (727 download)
Download or read book Performance Testing of a Large Volume Calorimeter written by and published by . This book was released on 2004 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: Calorimetry is used as a nondestructive assay technique for determining the power output of heat-producing nuclear materials. Calorimetric assay of plutonium-bearing and tritium items routinely obtains the highest precision and accuracy of all nondestructive assay (NDA) techniques, and the power calibration can be traceable to National Institute of Standards and Technology through certified electrical standards. Because the heat-measurement result is completely independent of material and matrix type, it can be reliably used on any material form or item matrix. The calorimetry measurement is combined with isotopic composition information to determine the correct plutonium content of an item. When an item is unsuitable for neutron or gamma-ray NDA, calorimetric assay is used. Currently, the largest calorimeter capable of measuring plutonium-bearing or tritium items is 36 cm in diameter and 61 cm long. Fabrication of a high-sensitivity large volume calorimeter (LVC) capable of measuring tritium and plutonium-bearing items in 208-1 (55-gal) shipping or storage containers has provided a reliable NDA method to measure many difficult to measure forms of plutonium and tritium more accurately. This large calo rimeter can also be used to make secondary working standards from process material for the calibration of faster NDA assay techniques. The footprint of the calorimeter is 104 cm wide by 157 cm deep and 196 cm high in the closed position. The space for a standard electronics rack is also necessary for the operation of the calo rimeter. The maximum item size that can be measured in the LVC is 62 cm in diameter and 100 cm long. The extensive use of heat-flow calorimeters for safeguards-related measurements at DOE facilities makes it important to extend the capability of calorimetric assay of plutonium and tritium items to larger container sizes. Measurement times, precision, measurement threshold, and position sensitivity of the instrument will be discussed.
Author : American National Standards Institute
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (596 download)
Download or read book Plutonium-bearing Solids written by American National Standards Institute and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. W. Stout
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.3/5 (91 download)
Download or read book A Calorimetric Determination of the Energy Produced by Plutonium-239 written by J. W. Stout and published by . This book was released on 1946 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (727 download)
Download or read book OVERVIEW OF CALORIMETRIC ASSAY OF PLUTONIUM IN THE UNITED STATES. written by and published by . This book was released on 2001 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: Calorimetry is a primary measurement technique for assay of quantities of plutonium in the United States. It is the most accurate NDA technique for many forms of plutonium-bearing materials. This paper provides an overview of the use of calorimetry in combination with high-resolution gamma-ray spectroscopy for accurate plutonium mass determinations.
Author :
Publisher :
ISBN 13 :
Total Pages : 876 pages
Book Rating : 4.F/5 ( download)
Download or read book NBS Special Publication written by and published by . This book was released on 1968 with total page 876 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. W. Rodenburg
Publisher :
ISBN 13 :
Total Pages : 90 pages
Book Rating : 4.3/5 (91 download)
Download or read book An Evaluation of the Use of Calorimetry for Shipper-receiver Measurements of Plutonium written by W. W. Rodenburg and published by . This book was released on 1978 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. W. Rodenburg
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (115 download)
Download or read book Calorimetric Assay of Plutonium written by W. W. Rodenburg and published by . This book was released on 1977 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Characterization of Consistent NDA (nondestructive Assay) Standards written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: By combining calorimetry and traditional analytical methods five sets of unique NDA standards were characterized for the Savannah River Plant (SRP) of E.I. Du Pont de Nemours, Inc. The calorimetry measurements make it possible to nondestructively verify the homogeneity of the plutonia stock and to assure that the analytical aliquots were representative of the parent material. Two assay values were determined by calorimetric assay. When the isotopic composition was determined by mass spectroscopy and alpha pulse height analysis, the agreement between Pu content by calorimetry and controlled potential coulometry was within 0.06% for all five isotopic compositions. When nondestructive, gamma-ray isotopic techniques were used to assay the 1500 gram standards the agreement was within 0.1% for all five materials. The new half-lives and specific power recommended in the latest revision of ANSI N15.22-1987, Calibration Techniques for the Calorimetric Assay of Plutonium Bearing Solids were used for all computations. The standards were certified for plutonium content, isotopic composition, and thermal power. The mass of the standards varied from 20 to 1500 grams with 24°Pu compositions ranging from 3 to 15 percent. 7 tabs.
Author : Thomas R. Canada
Publisher :
ISBN 13 :
Total Pages : 776 pages
Book Rating : 4.3/5 (121 download)
Download or read book Measurement Technology for Safeguards and Materials Control written by Thomas R. Canada and published by . This book was released on 1980 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : American Nuclear Society
Publisher :
ISBN 13 :
Total Pages : 776 pages
Book Rating : 4.:/5 (31 download)
Download or read book Measurement technology for safeguards and materials control written by American Nuclear Society and published by . This book was released on 1980 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : International Atomic Energy Agency
Publisher :
ISBN 13 :
Total Pages : 860 pages
Book Rating : 4.3/5 (91 download)
Download or read book Nuclear Safeguards Technology 1978 written by International Atomic Energy Agency and published by . This book was released on 1979 with total page 860 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : U.S. Nuclear Regulatory Commission
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (89 download)
Download or read book NRC Regulatory Guides written by U.S. Nuclear Regulatory Commission and published by . This book was released on 1973 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: A compilation of currently available electronic versions of NRC regulatory guides.
Download or read book CALORIMETRIC ASSAY OF PLUTONIUM- PROCEEDINGS OF A SYMPOSIUM- AEC. written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
