ASTM C1000 - 11 - Standard Test Method for Radiochemical Determination of Uranium Isotopes in Soil by Alpha Spectrometry

ASTM C1000 - 11

Standard Test Method for Radiochemical Determination of Uranium Isotopes in Soil by Alpha Spectrometry

Status : Current   Published : February 2011

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1.1 This test method covers the determination of alpha-emitting uranium isotopes in soil. This test method describes one acceptable approach to the determination of uranium isotopes in soil.

1.2 The test method is designed to analyze 10 g of soil; however, the sample size may be varied to 50 g depending on the activity level. This test method may not be able to completely dissolve all forms of uranium in the soil matrix. Studies have indicated that the use of hydrofluoric acid to dissolve soil has resulted in lower values than results using total dissolution by fusion.

1.3 The lower limit of detection is dependent on count time, sample size, detector, background, and tracer yield. The chemical yield averaged 78 % in a single laboratory evaluation, and 66 % in an interlaboratory collaborative study.

1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

1.5 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. A specific precautionary statement is given in Section 10.




Standard NumberASTM C1000 - 11
TitleStandard Test Method for Radiochemical Determination of Uranium Isotopes in Soil by Alpha Spectrometry
StatusCurrent
Publication Date01 February 2011
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 Alpha spectrometry, Radiochemistry, Soil, Uranium, Alpha spectrometry, Isotopic analysis, Radiochemical analysis, Uranium content, Soil (radioactive analysis)
ICS17.240
PublisherASTM
FormatA4
DeliveryYes
Pages5
File Size87.48 KB
Price£40.00


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