ASTM-D1890 Standard Test Method for Beta Particle Radioactivity of Water 

ASTM-D1890 - 2015 EDITION - CURRENT
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Standard Test Method for Beta Particle Radioactivity of Water 
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Scope

1.1 This test method covers the measurement of beta particle activity of water. It is applicable to beta emitters having maximum energies above 0.1 MeV and at activity levels above 0.02 Bq/mL (540 pCi/L) of radioactive homogeneous water for most counting systems. This test method is not applicable to samples containing radionuclides that are volatile under conditions of the analysis.

1.2 This test method can be used for either absolute or relative determinations. In tracer work, the results may be expressed by comparison with a standard which is defined to be 100 %. For radioassay, data may be expressed in terms of a known radionuclide standard if the radionuclides of concern are known and no fractionation occurred during processing, or may be expressed arbitrarily in terms of some other standard such as 137Cs. General information on radioactivity and measurement of radiation may be found in the literature2, 3, 4, 5 and Practice D3648.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 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.

Keywords

gross beta radioactivity; gross radioactivity measurement; proportional counter; water;; ICS Number Code 13.060.60 (Examination of water for physical properties)

To find similar documents by ASTM Volume:

11.02 (Water (II))

To find similar documents by classification:

13.060.60 (Examination of physical properties of water)

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Document Number

ASTM-D1890-15

Revision Level

2015 EDITION

Status

Current

Modification Type

Revision

Publication Date

Feb. 1, 2015

Document Type

Test Method

Page Count

6 pages

Committee Number

D19.04