ASTM D 6239 Standard Test Method for Uranium in Drinking Water by High-Resolution Alpha-Liquid- Scintillation Spectrometry

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ASTM D 6239 Document Information:

Title
Standard Test Method for Uranium in Drinking Water by High-Resolution Alpha-Liquid- Scintillation Spectrometry

ASTM International

Publication Date:
Jun 10, 2003

Scope:

This test method covers determining the total soluble uranium activity in drinking water in the range of 0.037 Bq/L (1 pCi/L) or greater by selective solvent extraction and high-resolution alpha-liquid-scintillation spectrometry. The energy resolution obtainable with this technique also allows estimation of the ²³⁸U to ²³⁴U activity ratio.

This test method was tested successfully with reagent water and drinking water. It is the user's responsibility to ensure the validity of this test method for waters of untested matrices.

The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

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. For specific hazard statements, see Section 9.

Keywords:

drinking water

extractive scintillator

high-resolution alpha-liquid-scintillation spectrometer

pulse-shape discrimination

solvent extraction

radioactivity

uranium

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