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ASTM D3972-09(2015)

Current Revision

Standard Test Method for Isotopic Uranium in Water by Radiochemistry (Withdrawn 2024)

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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.


5.1 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.

SDO ASTM: ASTM International
Document Number D3972
Publication Date Jan. 1, 2015
Language en - English
Page Count 7
Revision Level 09(2015)
Supercedes
Committee D19.04
Publish Date Document Id Type View
Jan. 1, 2015 D3972-09R15 Revision
Feb. 1, 2009 D3972-09 Revision
Feb. 10, 2002 D3972-97 Revision
Feb. 10, 2002 D3972-02 Revision