ASTM C1458 - 16 - Standard Test Method for Nondestructive Assay of Plutonium, Tritium and?<sup>241</sup>Am by Calorimetric Assay

ASTM C1458 - 16

Standard Test Method for Nondestructive Assay of Plutonium, Tritium and?241Am by Calorimetric Assay

Status : Current   Published : March 2016

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1.1 This test method describes the nondestructive assay (NDA) of plutonium, tritium, and  241Am using heat flow calorimetry. For plutonium the typical range of applicability, depending on the isotopic composition, corresponds to ~0.1 g to ~5 g quantities while for tritium the typical range extends from ~0.001 g to ~400 g. This test method can be applied to materials in a wide range of container sizes up to 380 L. It has been used routinely to assay items whose thermal power ranges from 0.001 W to 135 W.

1.2 This test method requires knowledge of the relative abundances of the plutonium isotopes and the 241Am/Pu mass ratio to determine the total plutonium mass.

1.3 This test method provides a direct measure of tritium content.

1.4 This test method provides a measure of  241Am either as a single isotope or mixed with plutonium.

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

1.6  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.




Standard NumberASTM C1458 - 16
TitleStandard Test Method for Nondestructive Assay of Plutonium, Tritium and?241Am by Calorimetric Assay
StatusCurrent
Publication Date01 March 2016
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Accountability, Calorimetry, Inventory, Nondestructive assay, Plutonium, Quantification, Tritium
ICS27.120.30
PublisherASTM
FormatA4
DeliveryYes
Pages13
File Size294 KB
Price£45.00


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