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Significance and Use
5.1 Alpha-particle spectrometry can be used either as a quantitative counting technique or as a qualitative method for informing the analyst of the purity of a given sample.
5.2 The method may be used for evaporated alpha-particle sources, but the quality of the spectra obtained will be limited by the absorbing material on the planchet and the surface finish of the planchet.
1.1 This practice covers the processes that are required to obtain well-resolved alpha-particle spectra from water samples and discusses associated problems. This practice is generally combined with specific chemical separations, mounting techniques, and counting instrumentation, as referenced.
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C859 Terminology Relating to Nuclear Materials
C1163 Practice for Mounting Actinides for Alpha Spectrometry Using Neodymium Fluoride
D1129 Terminology Relating to Water
D3648 Practices for the Measurement of Radioactivity
D3865 Test Method for Plutonium in Water
D3972 Test Method for Isotopic Uranium in Water by Radiochemistry
D7282 Practice for Set-up, Calibration, and Quality Control of Instruments Used for Radioactivity Measurements
D7902 Terminology for Radiochemical Analyses
ICS Number Code 13.060.50 (Examination of water for chemical substances)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D3084-20, Standard Practice for Alpha-Particle Spectrometry of Water, ASTM International, West Conshohocken, PA, 2020, www.astm.orgBack to Top