ASTM-D4785 › Standard Test Method for Low-Level Analysis of Iodine Radioisotopes in Water
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1.1 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.
1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are provided for information purposes only.
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. For specific hazard statements, see 8.17, 8.18, 8.19, Section 9, and 13.2.11.
iodine; ion exchange; low-level activity; radioiodine; radioactivity; solvent extraction water; ICS Number Code 13.060.50 (Examination of water for chemical substances)
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2008 R13(E1) EDITION
Aug. 1, 2013