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ASTM International - ASTM C1254-99

Standard Test Method for Determination of Uranium in Mineral Acids by X-Ray Fluorescence

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Organization: ASTM International
Publication Date: 10 January 1999
Status: inactive
Page Count: 4
ICS Code (Fissile materials and nuclear fuel technology): 27.120.30
scope:

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

1.2 This test method is valid for those solutions containing 2 to 20 g uranium/L as presented to the spectrometer. Higher concentrations may be covered by appropriate dilutions.

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 element or that this contamination has been corrected for mathematically whenever present. Such corrections are not addressed in this test method. Care must also be taken that the choice of internal standard and sample medium are compatible; that is, do not use yttrium with solutions containing HF or strontium with those having H 2 SO 4 . Alternatively a scatter line may be used as internal standard.

1.4 The values stated in SI units are to be regarded as the standard.

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. Specific precautionary statements are given in Section 8 and Note 1.

Document History

October 1, 2018
Standard Test Method for Determination of Uranium in Mineral Acids by X-Ray Fluorescence
1.1 This test method covers the steps necessary for the preparation and analysis by X-ray fluorescence (XRF) of mineral acid solutions containing uranium. 1.2 This test method is valid for those...
January 1, 2013
Standard Test Method for Determination of Uranium in Mineral Acids by X-Ray Fluorescence
1.1 This test method covers the steps necessary for the preparation and analysis by X-ray fluorescence (XRF) of mineral acid solutions containing uranium. 1.2 This test method is valid for those...
June 1, 2005
Standard Test Method for Determination of Uranium in Mineral Acids by X-Ray Fluorescence
1.1 This test method covers the steps necessary for the preparation and analysis by X-ray fluorescence (XRF) of mineral acid solutions containing uranium. 1.2 This test method is valid for those...
ASTM C1254-99
January 10, 1999
Standard Test Method for Determination of Uranium in Mineral Acids by X-Ray Fluorescence
1.1 This test method covers the steps necessary for the preparation and analysis by X-ray fluorescence (XRF) of mineral acid solutions containing uranium. 1.2 This test method is valid for those...
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