ASTM-C1343 Historical Revision Information
Standard Test Method for Determination of Low Concentrations of Uranium in Oils and Organic Liquids by X-ray Fluorescence

ASTM-C1343 - 1996 R07 EDITION - SUPERSEDED
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Standard Test Method for Determination of Low Concentrations of Uranium in Oils and Organic Liquids by X-ray Fluorescence
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Scope

1.1 This test method covers the steps necessary for the preparation and analysis by X-ray fluorescence (XRF) of oils and organic solutions containing uranium.

1.2 The procedure is valid for those solutions containing 20 to 2000 g uranium/mL as presented to the spectrometer.

1.3 This test method requires the use of an appropriate internal standard. Care must be taken to ascertain that samples analyzed by this test method do not contain the internal standard or that this contamination, whenever present, has been corrected for mathematically. Such corrections are not addressed in this procedure. Care must be taken that the internal standard and sample medium are compatible; that is, samples must be miscible with tri-n-butyl phosphate (TBP) and must not remove the internal standard from solution. Alternatively, a scatter line may be used as the internal standard.

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

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. Specific precautionary statements are given in Section 9 and Note 2.

Significance and Use

This test method is applicable to organic solutions containing 20 to 2000 μg uranium/mL of solution presented to the spectrometer.

Either wavelength-dispersive or energy-dispersive XRF systems may be used, provided that the software accompanying the system is able to accommodate the use of internal standards.

Keywords

organic solutions; uranium; X-ray fluorescence; XRF; ICS Number Code 17.240 (Radiation measurements)

To find similar documents by ASTM Volume:

12.01 (Nuclear Energy (I))

To find similar documents by classification:

17.240 (Radiation measurements Including dosimetry Radiation protection, see 13.280)

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Document Number

ASTM-C1343-96(2007)

Revision Level

1996 R07 EDITION

Status

Superseded

Modification Type

Reapproval

Publication Date

June 1, 2007

Document Type

Test Method

Page Count

4 pages

Committee Number

C26.05