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Description of ASTM-D3972 2009ASTM D3972 - 09Standard Test Method for Isotopic Uranium in Water by RadiochemistryActive Standard ASTM D3972 | Developed by Subcommittee: D19.04 Book of Standards Volume: 11.02 ASTM D3972Significance and Use
This test method was developed to measure the radioactivity of uranium isotopes in environmental waters or waters released to the environment, and to determine whether the uranium-isotope concentrations are below the maximum amounts allowable by any regulatory statute. 1. Scope
1.1 This test method covers the determination of alpha-particle-emitting isotopes of uranium in water by means of chemical separations and alpha pulse-height analysis (also known as alpha-particle spectrometry). Uranium is chemically separated from a water sample by coprecipitation with ferrous hydroxide, anion exchange, and electrodeposition. The test method applies to soluble uranium as well as to any uranium that might be present in suspended matter in the water sample. This test method is applicable for uranium processing effluents as well as substitute ocean water. When suspended matter is present, an acid dissolution step is added to assure that all of the uranium dissolves. It is the user's responsibility to ensure the validity of this test method for waters of untested matrices. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific warning statements are given in Section 9. ASTM Standards C859 Terminology Relating to Nuclear Materials C1163 Practice for Mounting Actinides for Alpha Spectrometry Using Neodymium Fluoride D1066 Practice for Sampling Steam D1129 Terminology Relating to Water D1192 Guide for Equipment for Sampling Water and Steam in Closed Conduits D1193 Specification for Reagent Water D2777 Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water D3084 Practice for Alpha-Particle Spectrometry of Water D3370 Practices for Sampling Water from Closed Conduits D3648 Practices for the Measurement of Radioactivity D5847 Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis D7282 Practice for Set-up, Calibration, and Quality Control of Instruments Used for Radioactivity Measurements Keywords alpha-particle spectrometry; isotopes; radioactivity; radiochemistry; uranium; water; Alpha pulse-height analysis; Cylinders; Radioactive water analysis; Uranium content--water; ICS Code ICS Number Code 13.060.50 (Examination of water for chemical substances) DOI: 10.1520/D3972-09 ASTM International is a member of CrossRef. ASTM D3972This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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