ASTM D 4785 Standard Test Method for Low-Level Analysis of Iodine Radioisotopes in Water
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ASTM D 4785 Document Information:
Title
Standard Test Method for Low-Level Analysis of Iodine Radioisotopes in Water
ASTM International
Publication Date:
Apr 1, 2008
Scope:
This test method covers the quantification of low levels of
radioactive iodine in water by means of chemical separation and
counting with a high-resolution gamma ray detector. Iodine is
chemically separated from a 4-L water sample using ion exchange and
solvent extraction and is then precipitated as cuprous iodide for
counting.
The values stated in SI units are to be regarded as standard.
The values given in parentheses are provided for information
purposes 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
Note 2, Note 3, Note 9, and Section 9.
Keywords:
- iodine
- ion exchange
- low-level activity
- radioiodine
- radioactivity
- solvent extraction water
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