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Normas ASTM – AENOR
ASTM D4319-93

ASTM D4319-93

Standard Test Method for Distribution Ratios by the Short-Term Batch Method

Fecha:
2017-08-16 /Historical
Superseeded by:
Scope:

1.1 This test method covers the determination of distribution ratios of chemical species for site-specific geological media by a batch sorption technique. It is a short-term laboratory method primarily intended for ionic species subject to migration in granular porous material, and the application of the results to long-term field behavior is not known. Distribution ratios for radionuclides in selected geomedia are commonly determined for the purpose of assessing potential migratory behavior at waste repositories. This test method is also applicable to studies of intrusion waters and for parametric studies of the effects of variables and of mechanisms which determine the measured distribution ratios.

1.2 The values stated in acceptable metric units are to be regarded as the standard.

1.3 This standard does not purport to address all of the safety problems, 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:
adsorption; attenuation; batch sorption; distribution ratio; geochemical; ground water; ion exchange capacity; liquid migration; modeling; short-term batch
51,1
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