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ASTM D 7168 : 2016 : REDLINE

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for 99Tc in Water by Solid Phase Extraction Disk
Available format(s)

PDF

Superseded date

10-12-2022

Language(s)

English

Published date

10-11-2016

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 11.02, 2015 Specifies a solid phase extraction (SPE) procedure to separate [99]Tc from environmental water samples (that is, non-process and effluent waters).

1.1This test method describes a solid phase extraction (SPE) procedure to separate 99Tc from environmental water (non-process-related or effluent water samples). Technetium-99 beta activity is measured by liquid scintillation spectrometry.

1.2This test method is designed to measure 99Tc in the range of approximately 0.037 Bq/L (1.0 pCi/L) or greater for a one litre sample.

1.3This test method has been used successfully with tap water. It is the user’s responsibility to ensure the validity of this test method for samples larger than 1 L and for waters of untested matrices.

1.4Technetium-99 alternatively can be determined in water samples using Practice D8026.

1.5The values stated in SI units are to be regarded as standard. The values given in parentheses are provided for information only and are not considered standard.

1.6This 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 Section 9.

Committee
D 19
DocumentType
Redline
Pages
7
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

ASTM D 8026 : 2016 Standard Practice for Determination of Tc-99 in Water by Inductively Coupled Plasma Mass Spectrometry (ICP-MS)
ASTM C 1387 : 2014 : REDLINE Standard Guide for the Determination of Technetium-99 in Soil

ASTM D 1129 : 2013 : REDLINE Standard Terminology Relating to Water
ASTM D 2777 : 2013 : REDLINE Standard Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water
ASTM D 7282 : 2014 : REDLINE Standard Practice for Set-up, Calibration, and Quality Control of Instruments Used for Radioactivity Measurements

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