Alpha-particle spectrometry can either be used as a quantitative counting technique or as a qualitative method for informing the analyst of the purity of a given sample.

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. Scope

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 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.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

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

Keywords

alpha-particle; alpha-particle spectrometry; alpha pulse-height analysis; pulse-ionization chamber; radioactivity; semiconductor detector; water ;

ICS Code

ICS Number Code 13.060.50 (Examination of water for chemical substances)

Citing ASTM Standards

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