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ASTM-C1387:2023 Edition

ASTM-C1387:2023 Edition

$34.13

C1387-23 Standard Guide for the Determination of Technetium-99 in Soil

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ASTM 2023
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ASTM C1387-23

Active Standard: Standard Guide for the Determination of Technetium-99 in Soil

ASTM C1387

Scope

1.1 This guide is intended to serve as a reference for laboratories wishing to perform 99Tc analyses in soil. Several options are given for selection of a tracer and for the method of extracting the Tc from the soil matrix. Separation of Tc from the sample matrix is performed using an extraction chromatography resin. Options are then given for the determination of the 99Tc activity in the original sample. It is up to the user to determine which options are appropriate for use, and to generate acceptance data to support the chosen procedure.

1.2 Due to the various extraction methods available, various tracers used, variable detection methods used, and lack of certified reference materials for 99Tc in soil, there is insufficient data to support a single method written as a standard method.

1.3 The values stated in SI units are to be regarded as standard, except where the non-SI unit of molar, M, is used for the concentration of chemicals and reagents. The values given in parentheses after SI units are provided for information only and are not considered 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

extraction chromatography; liquid scintillation spectrometry; mass spectrometry; microwave digestion; soil; soil fusion; technetium;

ICS Code

ICS Number Code 13.080.10 (Chemical characteristics of soil)

DOI: 10.1520/C1387-23

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